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Table of contents:

.A | .B | .C | .D | .E | .F | .G | .H | .I | .J | .K | .L | .M

.N | .O | .P | .Q | .R | .S | .T | .U | .V | .W | .X | .Y | .Z

#-A

  • a - the blood group whose red cells carry the A antigen
  • abdominal - of or relating to or near the abdomen
  • able - (usually followed by `to') having the necessary means or skill or know-how or authority to do something
  • abnormality - behavior that breaches the rule or etiquette or custom or morality
  • abo - a dark-skinned member of a race of people living in Australia when Europeans arrived
  • accident - anything that happens by chance without an apparent cause
  • acclimatization - adaptation to a new climate (a new temperature or altitude or environment)
  • ace - of the highest quality
  • acetyl - the organic group of acetic acid (CH3CO-)
  • acetylcholine - a neurotransmitter that is a derivative of choline; released at the ends of nerve fibers in the somatic and parasympathetic nervous systems
  • ache - a dull persistent (usually moderately intense) pain
  • acid - having the characteristics of an acid
  • acids. Please try the following
  • actin - one of the proteins into which actomyosin can be split; can exist in either a globular or a fibrous form
  • action - something done (usually as opposed to something said)
  • activation - making active and effective (as a bomb)
  • active - characterized by energetic activity
  • acute - having or experiencing a rapid onset and short but severe course
  • adaptive - having a capacity for adaptation
  • add - a condition (mostly in boys) characterized by behavioral and learning disorders
  • adenosine - (biochemistry) a nucleoside that is a structural component of nucleic acids; it is present in all living cells in a combined form as a constituent of DNA and RNA and ADP and ATP and AMP
  • adh - hormone secreted by the posterior pituitary gland (trade name Pitressin) and also by nerve endings in the hypothalamus; affects blood pressure by stimulating capillary muscles and reduces urine flow by affecting reabsorption of water by kidney tubules
  • adhd - a condition (mostly in boys) characterized by behavioral and learning disorders
  • adhesion - a fibrous band of scar tissue that binds together normally separate anatomical structures
  • adrenal - of or pertaining to the adrenal glands or their secretions
  • adventitia - an enveloping or covering membrane or layer of body tissue
  • agglutination - the building of words from component morphemes that retain their form and meaning in the process of combining
  • airway - a commercial enterprise that provides scheduled flights for passengers
  • ala - a wing of an insect
  • alar - having or resembling wings
  • albumin - a simple water-soluble protein found in many animal tissues and liquids
  • alcohol - a liquor or brew containing alcohol as the active agent
  • aldosterone - a corticosteroid hormone that is secreted by the cortex of the adrenal gland; regulates salt (sodium and potassium) and water balance
  • allergy - hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity
  • alternative - necessitating a choice between mutually exclusive possibilities
  • alveolar - pertaining to the tiny air sacs of the lungs
  • alveolus - a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways
  • amino - pertaining to or containing any of a group of organic compounds of nitrogen derived from ammonia
  • ampulla - a flask that has two handles; used by Romans for wines or oils
  • ams. Please try the following
  • amygdala - an almond-shaped neural structure in the anterior part of the temporal lobe of the cerebrum; intimately connected with the hypothalamus and the hippocampus and the cingulate gyrus; as part of the limbic system it plays an important role in motivation and emotional behavior
  • amylase - any of a group of proteins found in saliva and pancreatic juice and parts of plants; help convert starch to sugar
  • an - an associate degree in nursing
  • anabolic - characterized by or promoting constructive metabolism
  • anabolism - the synthesis in living organisms of more complex substances (e.g., living tissue) from simpler ones together with the storage of energy
  • anaerobic - living or active in the absence of free oxygen
  • analysis - an investigation of the component parts of a whole and their relations in making up the whole
  • anaphase - the stage of meiosis or mitosis when chromosomes move toward opposite ends of the nuclear spindle
  • anaphylactic - related to the hypersensitivity known as anaphylaxis
  • anastomosis - a natural or surgical joining of parts or branches of tubular structures so as to make or become continuous
  • anatomical - of or relating to the structure of the body
  • and. Please try the following
  • anemia - genus of terrestrial or lithophytic ferns having pinnatifid fronds; chiefly of tropical America
  • angiotensin - any of several vasoconstrictor substances (trade name Hypertensin) that cause narrowing of blood vessels
  • anh. Please try the following
  • animal - of the nature of or characteristic of or derived from an animal or animals
  • anions. Please try the following
  • anti - not in favor of (an action or proposal etc.)
  • antibody - any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response
  • anticoagulant - medicine that prevents or retards the clotting of blood
  • antigen - any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies)
  • antral. Please try the following
  • antrum - a natural cavity or hollow in a bone
  • anus - excretory opening at the end of the alimentary canal
  • anvil - a heavy block of iron or steel on which hot metals are shaped by hammering
  • aorta - the large trunk artery that carries blood from the left ventricle of the heart to branch arteries
  • aortic - of or relating to the aorta
  • apc - a drug combination found in some over-the-counter headache remedies (aspirin and phenacetin and caffeine)
  • apex - the point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars
  • apnea - transient cessation of respiration
  • apparatus - equipment designed to serve a specific function
  • appear - come into sight or view
  • apples. Please try the following
  • applied - concerned with concrete problems or data rather than with fundamental principles; opposed to theoretical
  • arachnoid - relating to or resembling a member of the class Arachnida
  • arch - expert in skulduggery
  • arcuate - forming or resembling an arch
  • are - a unit of surface area equal to 100 square meters
  • area - a part of a structure having some specific characteristic or function
  • areola - small circular area such as that around the human nipple or an inflamed area around a pimple or insect bite
  • armstrong - United States jazz trumpeter and bandleader (1900-1971)
  • arterial - of or involving or contained in the arteries
  • arteriole - one of the small thin-walled arteries that end in capillaries
  • artery - a major thoroughfare that bears important traffic
  • arti. Please try the following
  • article - one of a class of artifacts
  • articular - relating to or affecting the joints of the body
  • articulation - the act of joining things in such a way that motion is possible
  • ascending - moving or going or growing upward
  • asd. Please try the following
  • assay - a quantitative or qualitative test of a substance (especially an ore or a drug) to determine its components; frequently used to test for the presence or concentration of infectious agents or antibodies etc.
  • assistant - of or relating to a person who is subordinate to another
  • asthma - respiratory disorder characterized by wheezing; usually of allergic origin
  • astrocyte - comparatively large neuroglial cell
  • at - 100 at equal 1 kip in Laos
  • atom - (nontechnical usage) a tiny piece of anything
  • atp - a nucleotide derived from adenosine that occurs in muscle tissue; the major source of energy for cellular reactions
  • atrial - of or relating to a cavity or chamber in the body (especially one of the upper chambers of the heart)
  • atrioventricular - relating to or affecting the atria and ventricles of the heart
  • atrium - the central area in a building; open to the sky
  • attack - a decisive manner of beginning a musical tone or phrase
  • attention - a courteous act indicating affection
  • audition - a test of the suitability of a performer
  • auricle - the externally visible cartilaginous structure of the external ear
  • autism - (psychiatry) an abnormal absorption with the self; marked by communication disorders and short attention span and inability to treat others as people
  • autoantibody - an antibody acting against tissues of the organism that produces it
  • autoimmune - of or relating to the immune response of the body against substance normally present in the body
  • autoimmunity - production of antibodies against the tissues of your own body; produces autoimmune disease or hypersensitivity reactions
  • autonomic - relating to or controlled by the autonomic nervous system
  • autoregulation - (physiology) processes that maintain a generally constant physiological state in a cell or organism
  • av - the eleventh month of the civil year; the fifth month of the ecclesiastical year in the Jewish calendar (in July and August)
  • available - obtainable or accessible and ready for use or service
  • avidity - a positive feeling of wanting to push ahead with something
  • axon - long nerve fiber that conducts away from the cell body of the neuron
  • azygos - occurring singly; not one of a pair

Table of contents:

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C

  • bacteria - (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered plants
  • balance - a scale for weighing; depends on pull of gravity
  • band - a thin flat strip of flexible material that is worn around the body or one of the limbs (especially to decorate the body)
  • barrier - a structure or object that impedes free movement
  • basal - of primary importance
  • base - debased; not genuine
  • based - having a base of operations (often used as a combining form)
  • bases. Please try the following
  • basic - of or denoting or of the nature of or containing a base
  • basilar - of or relating to or located at the base
  • basis - the fundamental assumptions from which something is begun or developed or calculated or explained
  • basophil - a leukocyte with basophilic granules easily stained by basic stains
  • bcop. Please try the following
  • bed - a piece of furniture that provides a place to sleep
  • benign - pleasant and beneficial in nature or influence
  • ber. Please try the following
  • bers. Please try the following
  • beta - preliminary or testing stage of a software or hardware product
  • bicuspid - having two cusps or points (especially a molar tooth)
  • bile - a digestive juice secreted by the liver and stored in the gallbladder; aids in the digestion of fats
  • bilirubin - an orange-yellow pigment in the bile that forms as a product of hemoglobin; excess amounts in the blood produce the yellow appearance observed in jaundice
  • binary - consisting of two (units or components or elements or terms) or based on two
  • biodiversity - the diversity of plant and animal life in a particular habitat (or in the world as a whole)
  • biological - of parents and children; related by blood
  • biology - the science that studies living organisms
  • biopsy - examination of tissues or liquids from the living body to determine the existence or cause of a disease
  • biosphere - the regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist
  • biotechnology - the branch of engineering science in which biological science is used to study the relation between workers and their environments
  • birth - the event of being born
  • bitter - proceeding from or exhibiting great hostility or animosity
  • bladder - a bag that fills with air
  • block - a solid piece of something (usually having flat rectangular sides)
  • blood - temperament or disposition
  • body - the external structure of a vehicle
  • bohr - Danish physicist who studied atomic structure and radiations; the Bohr theory of the atom accounted for the spectrum of hydrogen (1885-1962)
  • bolus - a large pill; used especially in veterinary medicine
  • bond - held in slavery
  • bonding - fastening firmly together
  • bonds. Please try the following
  • bone - consisting of or made up of bone
  • border - a strip forming the outer edge of something
  • brain - that part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord
  • brainstem - the part of the brain continuous with the spinal cord and comprising the medulla oblongata and pons and midbrain and parts of the hypothalamus
  • branch - an administrative division of some larger or more complex organization
  • breast - the front part of the trunk from the neck to the abdomen
  • breathing - passing or able to pass air in and out of the lungs normally; sometimes used in combination
  • bridge - any of various card games based on whist for four players
  • bril. Please try the following
  • brils. Please try the following
  • broad - showing or characterized by broad-mindedness
  • broken - physically and forcibly separated into pieces or cracked or split
  • bronchial - relating to or associated with the bronchi
  • bronchiole - any of the smallest bronchial ducts; ending in alveoli
  • bronchus - either of the two main branches of the trachea
  • brush - contact with something dangerous or undesirable
  • bu. Please try the following
  • bubble - a dome-shaped covering made of transparent glass or plastic
  • bud - a partially opened flower
  • bulb - a rounded part of a cylindrical instrument (usually at one end)
  • bulbus. Please try the following
  • bulge - something that bulges out or is protuberant or projects from its surroundings
  • bulk - the property possessed by a large mass
  • bundle - a package of several things tied together for carrying or storing
  • by - so as to pass a given point

Table of contents:

.A | .B | .C | .D | .E | .F | .G | .H | .I | .J | .K | .L | .M

.N | .O | .P | .Q | .R | .S | .T | .U | .V | .W | .X | .Y | .Z

C

  • ca - a state in the western United States on the Pacific; the 3rd largest state; known for earthquakes
  • calci. Please try the following
  • calcium - a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals
  • callus - (botany) an isolated thickening of tissue, especially a stiff protuberance on the lip of an orchid
  • calyce. Please try the following
  • calyx - (botany) the whorl of sepals of a flower collectively forming the outer floral envelope or layer of the perianth enclosing and supporting the developing bud; usually green
  • canal - long and narrow strip of water made for boats or for irrigation
  • canaliculus - a small canal or duct as in some bones and parts of plants
  • canals. Please try the following
  • cancellous - having an open or latticed or porous structure
  • cancer - type genus of the family Cancridae
  • candela - the basic unit of luminous intensity adopted under the Systeme International d'Unites; equal to 1/60 of the luminous intensity per square centimeter of a black body radiating at the temperature of 2,046 degrees Kelvin
  • capacitance - an electrical phenomenon whereby an electric charge is stored
  • capillary - long and slender with a very small internal diameter
  • capsule - a pill in the form of a small rounded gelatinous container with medicine inside
  • carbohydrate - an essential structural component of living cells and source of energy for animals; includes simple sugars with small molecules as well as macromolecular substances; are classified according to the number of monosaccharide groups they contain
  • carbon - a copy made with carbon paper
  • carbonic - relating to or consisting of or yielding carbon
  • cardiac - of or relating to the heart
  • cardiomyopathy - a disorder (usually of unknown origin) of the heart muscle (myocardium)
  • cardiopulmonary - of or pertaining to or affecting both the heart and the lungs and their functions
  • cardiovascular - of or pertaining to or involving the heart and blood vessels
  • carl. Please try the following
  • carotid - of or relating to either of the two major arteries supplying blood to the head and neck
  • cartilage - tough elastic tissue; mostly converted to bone in adults
  • catabolic - characterized by destructive metabolism
  • catabolism - breakdown in living organisms of more complex substances into simpler ones together with release of energy
  • catalyst - something that causes an important event to happen
  • cation - a positively charged ion
  • caudal - situated in or directed toward the part of the body from which the tail arises
  • cava. Please try the following
  • cavity - (anatomy) a natural hollow or sinus within the body
  • celiac - belonging to or prescribed for celiac disease
  • cell - (biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals
  • cells. Please try the following
  • cellular - characterized by or divided into or containing cells or compartments (the smallest organizational or structural unit of an organism or organization)
  • cellulose - a polysaccharide that is the chief constituent of all plant tissues and fibers
  • center - equally distant from the extremes
  • central - in or near a center or constituting a center; the inner area
  • centriole - one of a pair of small cylindrical cell organelles near the nucleus in animal cells; composed of nine triplet microtubules and form the asters during mitosis
  • cerebellum - a major division of the vertebrate brain; situated above the medulla oblongata and beneath the cerebrum in humans
  • cerebral - involving intelligence rather than emotions or instinct
  • cerebrovascular - of or relating to the brain and the blood vessels that supply it
  • cervical - relating to or associated with the neck
  • cervix - necklike opening to the uterus
  • chain - a series of (usually metal) rings or links fitted into one another to make a flexible ligament
  • channel - a passage for water (or other fluids) to flow through
  • charged - of a particle or body or system; having a net amount of positive or negative electric charge
  • checkpoint - a place (as at a frontier) where travellers are stopped for inspection and clearance
  • chemical - relating to or used in chemistry
  • chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
  • chemoreceptor - a sensory receptor that responds to chemical stimuli
  • chemotaxis - movement by a cell or organism in reaction to a chemical stimulus
  • chiasma - an intersection or crossing of two tracts in the form of the letter X
  • chitin - a tough semitransparent horny substance; the principal component of the exoskeletons of arthropods and the cell walls of certain fungi
  • chloride - any salt of hydrochloric acid (containing the chloride ion)
  • chloroplast - plastid containing chlorophyll and other pigments; in plants that carry out photosynthesis
  • choroid - a highly vascular membrane in the eye between the retina and the sclera
  • chp. Please try the following
  • chyme - a semiliquid mass of partially digested food that passes from the stomach through the pyloric sphincter into the duodenum
  • cial. Please try the following
  • ciency. Please try the following
  • cilia. Please try the following
  • cilium - a hairlike projection from the surface of a cell; provides locomotion in free-swimming unicellular organisms
  • circadian - of or relating to biological processes occurring at 24-hour intervals
  • circle - any circular or rotating mechanism
  • circuit - an electrical device that provides a path for electrical current to flow
  • circulation - the spread or transmission of something (as news or money) to a wider group or area
  • circulatory - relating to circulatory system or to circulation of the blood
  • circum. Please try the following
  • circumcision - the act of circumcising; surgical removal of the foreskin of males
  • cit. Please try the following
  • citric - of or related to citric acid
  • class - elegance in dress or behavior
  • classi. Please try the following
  • cleavage - the act of cleaving or splitting
  • cleft - having one or more incisions reaching nearly to the midrib
  • clitoris - a female sexual organ homologous to the penis
  • clonal - of or relating to a clone
  • closed - not open or affording passage or access
  • clotting - the process of forming semisolid lumps in a liquid
  • cns - the portion of the vertebrate nervous system consisting of the brain and spinal cord
  • cnx. Please try the following
  • co - a state in west central United States in the Rocky Mountains
  • coa. Please try the following
  • coagulation - the process of forming semisolid lumps in a liquid
  • coat - growth of hair or wool or fur covering the body of an animal
  • cochlea - the snail-shaped tube (in the inner ear coiled around the modiolus) where sound vibrations are converted into nerve impulses by the organ of Corti
  • code - a coding system used for transmitting messages requiring brevity or secrecy
  • coding - act of writing in code or cipher
  • codon - a specific sequence of three adjacent bases on a strand of DNA or RNA that provides genetic code information for a particular amino acid
  • codons. Please try the following
  • cohesion - (physics) the intermolecular force that holds together the molecules in a solid or liquid
  • col - a pass between mountain peaks
  • college - a complex of buildings in which an institution of higher education is housed
  • colloidal - of or relating to or having the properties of a colloid
  • colon - the part of the large intestine between the cecum and the rectum; it extracts moisture from food residues before they are excreted
  • colony - a group of animals of the same type living together
  • color - having or capable of producing colors
  • column - (architeture) a tall cylindrical vertical upright and used to support a structure
  • common - having no special distinction or quality; widely known or commonly encountered; average or ordinary or usual
  • communicating - the activity of communicating; the activity of conveying information
  • communication - something that is communicated by or to or between people or groups
  • community - (ecology) a group of interdependent organisms inhabiting the same region and interacting with each other
  • compact - closely and firmly united or packed together
  • complement - something added to complete or make perfect
  • complex - complicated in structure; consisting of interconnected parts
  • component - an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system
  • composition - something that is created by arranging several things to form a unified whole
  • computer - a machine for performing calculations automatically
  • concentration - strengthening the amount of a substance in a unit amount of another substance (as of a solute in a mixture) by removing the other substance
  • conducting - the direction of an orchestra or choir
  • conduction - the transmission of heat or electricity or sound
  • cone - any cone-shaped artifact
  • cones. Please try the following
  • congenital - present at birth but not necessarily hereditary; acquired during fetal development
  • content - satisfied or showing satisfaction with things as they are
  • continuous - continuing in time or space without interruption
  • contractile - capable of contracting or being contracted
  • contraction - the act of decreasing (something) in size or volume or quantity or scope
  • control - the activity of managing or exerting control over something
  • copulatory - of or relating to coitus or copulation
  • cord - a line made of twisted fibers or threads
  • cordis. Please try the following
  • cornea - transparent anterior portion of the outer covering of the eye; it covers the lens and iris and is continuous with the sclera
  • coronary - surrounding like a crown (especially of the blood vessels surrounding the heart)
  • corpus - the main part of an organ or other bodily structure
  • corpuscle - either of two types of cells (erythrocytes and leukocytes) and sometimes including platelets
  • cortex - the tissue forming the outer layer of an organ or structure in plant or animal
  • corti. Please try the following
  • coupling - the act of pairing a male and female for reproductive purposes
  • covalent - of or relating to or characterized by covalence
  • cpr - an emergency procedure consisting of external cardiac massage and artificial respiration; the first treatment for a person who has collapsed and has no pulse and has stopped breathing; attempts to restore circulation of the blood and prevent death or brain damage due to lack of oxygen
  • cranial - of or relating to the cranium which encloses the brain
  • cross - extending or lying across; in a crosswise direction; at right angles to the long axis
  • crossover - the appropriation of a new style (especially in popular music) by combining elements of different genres in order to appeal to a wider audience
  • cryptorchidism - failure of one or both testes to move into the scrotum as the male fetus develops
  • csf. Please try the following
  • ct - a method of examining body organs by scanning them with X rays and using a computer to construct a series of cross-sectional scans along a single axis
  • ctl. Please try the following
  • cubital - of or relating to the elbow
  • curve - a pitch of a baseball that is thrown with spin so that its path curves as it approach the batter
  • cva - a sudden loss of consciousness resulting when the rupture or occlusion of a blood vessel leads to oxygen lack in the brain
  • cycle - a single complete execution of a periodically repeated phenomenon
  • cystic - of or relating to or resembling a cyst
  • cytokine - any of various proteins secreted by cells of the immune system that serve to regulate the immune system
  • cytokinesis - organic process consisting of the division of the cytoplasm of a cell following karyokinesis bringing about the separation into two daughter cells
  • cytology - the branch of biology that studies the structure and function of cells
  • cytoplasm - the protoplasm of a cell excluding the nucleus; is full of proteins that control cell metabolism
  • cytoskeleton - a microscopic network of actin filaments and microtubules in the cytoplasm of many living cells that gives the cell shape and coherence
  • cytosol - the aqueous part of the cytoplasm within which various particles and organelles are suspended
  • cytotoxic - of or relating to substances that are toxic to cells

Table of contents:

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.N | .O | .P | .Q | .R | .S | .T | .U | .V | .W | .X | .Y | .Z

D

  • dct. Please try the following
  • de - a Mid-Atlantic state; one of the original 13 colonies
  • deductive - involving inferences from general principles
  • deep - exhibiting great cunning usually with secrecy
  • defect - a failing or deficiency
  • dendrite - short fiber that conducts toward the cell body of the neuron
  • dendritic - (neuroscience) of or relating to or resembling a dendrite
  • densa. Please try the following
  • der. Please try the following
  • development - act of improving by expanding or enlarging or refining
  • di. Please try the following
  • diameter - the length of a straight line passing through the center of a circle and connecting two points on the circumference
  • diastole - the widening of the chambers of the heart between two contractions when the chambers fill with blood
  • diastolic - of or relating to a diastole or happening during a diastole
  • dioxide - an oxide containing two atoms of oxygen in the molecule
  • disc - a flat circular plate
  • disease - an impairment of health or a condition of abnormal functioning
  • disorder - a disturbance of the peace or of public order
  • diuretic - any substance that tends to increase the flow of urine
  • diversity - the condition or result of being changed
  • division - the act or process of dividing
  • dna - (biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information
  • do - the syllable naming the first (tonic) note of any major scale in solmization
  • dogma - a doctrine or code of beliefs accepted as authoritative
  • donor - person who makes a gift of property
  • doping. Please try the following
  • dorsal - belonging to or on or near the back or upper surface of an animal or organ or part
  • dorsum - the back of the body of a vertebrate or any analogous surface (as the upper or outer surface of an organ or appendage or part)
  • double - having two meanings with intent to deceive
  • down - not functioning (temporarily or permanently)
  • drg. Please try the following
  • drum - small to medium-sized bottom-dwelling food and game fishes of shallow coastal and fresh waters that make a drumming noise
  • dub - provide (movies) with a soundtrack of a foreign language
  • duct - an enclosed conduit for a fluid
  • ductus. Please try the following
  • duodenum - the part of the small intestine between the stomach and the jejunum
  • dura - the outermost (and toughest) of the 3 meninges
  • dysfunction - (medicine) any disturbance in the function of an organ or body part

Table of contents:

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E

  • ear - the sense organ for hearing and equilibrium
  • ecg - a graphical recording of the cardiac cycle produced by an electrocardiograph
  • ecology - the branch of biology concerned with the relations between organisms and their environment
  • ecosystem - a system formed by the interaction of a community of organisms with their physical environment
  • ect - the administration of a strong electric current that passes through the brain to induce convulsions and coma
  • ector. Please try the following
  • ectotherm - an animal whose body temperature varies with the temperature of its surroundings; any animal except birds and mammals
  • ed - impotence resulting from a man's inability to have or maintain an erection of his penis
  • edema - swelling from excessive accumulation of serous fluid in tissue
  • edv. Please try the following
  • egg - animal reproductive body consisting of an ovum or embryo together with nutritive and protective envelopes; especially the thin-shelled reproductive body laid by e.g. female birds
  • ejaculation - an abrupt emphatic exclamation expressing emotion
  • ejection - the act of forcing out someone or something
  • elastic - capable of resuming original shape after stretching or compression; springy
  • eld - a time in life (usually defined in years) at which some particular qualification or power arises
  • electrical - relating to or concerned with electricity
  • electrocardiogram - a graphical recording of the cardiac cycle produced by an electrocardiograph
  • electron - an elementary particle with negative charge
  • element - the most favorable environment for a plant or animal
  • elements - violent or severe weather (viewed as caused by the action of the four elements)
  • elisa - an assay that relies on an enzymatic conversion reaction and is used to detect the presence of specific substances (such as enzymes or viruses or antibodies or bacteria)
  • embolus - an abnormal particle (e.g. an air bubble or part of a clot) circulating in the blood
  • emigration - migration from a place (especially migration from your native country in order to settle in another)
  • emission - the act of emitting; causing to flow forth
  • end - a position on the line of scrimmage
  • ending - the end of a word (a suffix or inflectional ending or final morpheme)
  • endocardium - the membrane that lines the cavities of the heart and forms part of the heart valves
  • endocrine - of or belonging to endocrine glands or their secretions
  • endocrinologist - physician who specializes in the diagnosis and treatment of conditions affecting the endocrine system
  • endoderm - the inner germ layer that develops into the lining of the digestive and respiratory systems
  • endometrium - (pregnancy) the mucous membrane that lines the uterus; thickens under hormonal control and (if pregnancy does not occur) is shed in menstruation; if pregnancy occurs it is shed along with the placenta at parturition
  • endosteum - vascular membrane that lines the inner surface of long bones
  • endothelium - an epithelium of mesoblastic origin; a thin layer of flattened cells that lines the inside of some body cavities
  • energy - an imaginative lively style (especially style of writing)
  • enzyme - any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions
  • eosinophil - a leukocyte readily stained with eosin
  • epicardium - the innermost of the two layers of the pericardium
  • epididymis - a convoluted tubule in each testis; carries sperm to vas deferens
  • epiglottis - a flap of cartilage that covers the windpipe while swallowing
  • epilepsy - a disorder of the central nervous system characterized by loss of consciousness and convulsions
  • epiphysis - the end of a long bone; initially separated from the main bone by a layer of cartilage that eventually ossifies so the parts become fused
  • epithelium - membranous tissue covering internal organs and other internal surfaces of the body
  • epitope - the site on the surface of an antigen molecule to which an antibody attaches itself
  • epo. Please try the following
  • epsp. Please try the following
  • er - a room in a hospital or clinic staffed and equipped to provide emergency care to persons requiring immediate medical treatment
  • erectile - filled with vascular sinuses and capable of becoming distended and rigid as the result of being filled with blood
  • erence. Please try the following
  • erent. Please try the following
  • ernest. Please try the following
  • ers. Please try the following
  • erv. Please try the following
  • erythroblastosis - a blood disease characterized by the abnormal presence of erythroblasts in the blood
  • erythrocyte - a mature blood cell that contains hemoglobin to carry oxygen to the bodily tissues; a biconcave disc that has no nucleus
  • erythropoiesis - the process of producing red blood cells by the stem cells in the bone marrow
  • erythropoietin - a glycoprotein secreted by the kidneys that stimulates the production of red blood cells
  • esophagus - the passage between the pharynx and the stomach
  • estrogen - a general term for female steroid sex hormones that are secreted by the ovary and responsible for typical female sexual characteristics
  • esv. Please try the following
  • eukaryote - an organism with cells characteristic of all life forms except primitive microorganisms such as bacteria; i.e. an organism with `good' or membrane-bound nuclei in its cells
  • eukaryotic - having cells with `good' or membrane-bound nuclei
  • evolution - (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms
  • ex - out of fashion
  • exchange - (chess) the capture by both players (usually on consecutive moves) of pieces of equal value
  • exchanger - one whose business is to exchange the money of one country for that of another country
  • excitatory - (of drugs e.g.) able to excite or stimulate
  • excretion - the bodily process of discharging waste matter
  • exocrine - of or relating to exocrine glands or their secretions
  • exon - sequence of a gene's DNA that transcribes into protein structures
  • exons. Please try the following
  • expiration - the act of expelling air from the lungs
  • expiratory - of or relating to the breathing out phase of respiration
  • expression - the act of forcing something out by squeezing or pressing
  • external - happening or arising or located outside or beyond some limits or especially surface
  • extrinsic - not forming an essential part of a thing or arising or originating from the outside
  • eye - a small hole or loop (as in a needle)

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.N | .O | .P | .Q | .R | .S | .T | .U | .V | .W | .X | .Y | .Z

F

  • factor - an independent variable in statistics
  • falsi. Please try the following
  • fascia - a sheet or band of fibrous connective tissue separating or binding together muscles and organs etc
  • fat - a chubby body
  • fatty - containing or composed of fat
  • fauces - the passage between the back of the mouth and the pharynx
  • feedback - response to an inquiry or experiment
  • female - being the sex (of plant or animal) that produces fertilizable gametes (ova) from which offspring develop
  • femoral - of or relating to or near the femur or thigh
  • fermentation - a process in which an agent causes an organic substance to break down into simpler substances; especially, the anaerobic breakdown of sugar into alcohol
  • fold - the act of folding
  • follicle - any small spherical group of cells containing a cavity
  • food - any substance that can be metabolized by an organism to give energy and build tissue
  • for. Please try the following
  • foramen - a natural opening or perforation through a bone or a membranous structure
  • forced - made necessary by an unexpected situation or emergency
  • fork - cutlery used for serving and eating food
  • formation - the fabrication of something in a particular shape
  • formed - fully developed as by discipline or training
  • fossa - largest carnivore of Madagascar; intermediate in some respects between cats and civets
  • fovea - area consisting of a small depression in the retina containing cones and where vision is most acute
  • fraction - a small part or item forming a piece of a whole
  • fracture - the act of cracking something
  • frank - clearly manifest; evident
  • frc. Please try the following
  • frontal - belonging to the front part
  • ftsz. Please try the following
  • function - the actions and activities assigned to or required or expected of a person or group
  • functional - designed for or capable of a particular function or use
  • fundus - (anatomy) the base of a hollow organ or that part of the organ farthest from its opening
  • fungi - (pun) the one who buys the drinks
  • furrow - a long shallow trench in the ground (especially one made by a plow)

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.N | .O | .P | .Q | .R | .S | .T | .U | .V | .W | .X | .Y | .Z

G

  • gallbladder - a muscular sac attached to the liver that secretes bile and stores it until needed for digestion
  • gamete - a mature sexual reproductive cell having a single set of unpaired chromosomes
  • gap - a narrow opening
  • gas - the state of matter distinguished from the solid and liquid states by: relatively low density and viscosity; relatively great expansion and contraction with changes in pressure and temperature; the ability to diffuse readily; and the spontaneous tendency to become distributed uniformly throughout any container
  • gastric - relating to or involving the stomach
  • gene - (genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity
  • genes. Please try the following
  • genetic - of or relating to the science of genetics
  • genetics - the branch of biology that studies heredity and variation in organisms
  • genome - the ordering of genes in a haploid set of chromosomes of a particular organism; the full DNA sequence of an organism
  • gestation - the conception and development of an idea or plan
  • gfr. Please try the following
  • glabrous - having no hair or similar growth; smooth
  • gland - any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream
  • glands. Please try the following
  • glans - a small rounded structure; especially that at the end of the penis or clitoris
  • glia - sustentacular tissue that surrounds and supports neurons in the central nervous system; glial and neural cells together compose the tissue of the central nervous system
  • glial - of or relating to neuroglia
  • globin - a colorless protein obtained by removing heme from hemoglobin; the oxygen carrying compound in red blood cells
  • globulin - a family of proteins found in blood and milk and muscle and in plant seed
  • glomerulus - a small intertwined group of capillaries in the malpighian body; it filters the blood during urine formation
  • glottis - the vocal apparatus of the larynx; the true vocal folds and the space between them where the voice tone is generated
  • glucagon - a hormone secreted by the pancreas; stimulates increases in blood sugar levels in the blood (thus opposing the action of insulin)
  • glucose - a monosaccharide sugar that has several forms; an important source of physiological energy
  • glycogen - one form in which body fuel is stored; stored primarily in the liver and broken down into glucose when needed by the body
  • glycolysis - a metabolic process that breaks down carbohydrates and sugars through a series of reactions to either pyruvic acid or lactic acid and release energy for the body in the form of ATP
  • glycosuria - the presence of abnormally high levels of sugar in the urine
  • gnrh. Please try the following
  • golgi - Italian histologist noted for work on the structure of the nervous system and for his discovery of Golgi bodies (1844-1926)
  • gonad - a gland in which gametes (sex cells) are produced
  • gonadal - of or relating to the gonads
  • gonadotropin - hormone secreted by the anterior pituitary gland and placenta; stimulates the gonads and controls reproductive activity
  • gonads. Please try the following
  • gradient - the property possessed by a line or surface that departs from the horizontal
  • granular - having a granular structure like that of chondrites
  • gravity - a solemn and dignified feeling
  • gray - of an achromatic color of any lightness intermediate between the extremes of white and black
  • great - of major significance or importance
  • group - any number of entities (members) considered as a unit
  • growth - vegetation that has grown
  • gustation - the faculty of distinguishing sweet, sour, bitter, and salty properties in the mouth
  • gyri. Please try the following
  • gyrus - a convex fold or elevation in the surface of the brain

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H

  • haldane - Scottish statesman and brother of Elizabeth and John Haldane (1856-1928)
  • hammer - the act of pounding (delivering repeated heavy blows)
  • hand - physical assistance
  • haploid - of a cell or organism having a single set of chromosomes
  • hcg - hormone produced early in pregnancy by the placenta; detection in the urine and serum is the basis for one kind of pregnancy test
  • hdn. Please try the following
  • heart - a playing card in the major suit that has one or more red hearts on it
  • heat - the trait of being intensely emotional
  • helix - type genus of the family Helicidae
  • helper - a person who helps people or institutions (especially with financial help)
  • hematocrit - a measuring instrument to determine (usually by centrifugation) the relative amounts of corpuscles and plasma in the blood
  • hematoma - a localized swelling filled with blood
  • hematopoiesis - the formation of blood cells in the living body (especially in the bone marrow)
  • heme - a complex red organic pigment containing iron and other atoms to which oxygen binds
  • hemoglobin - a hemoprotein composed of globin and heme that gives red blood cells their characteristic color; function primarily to transport oxygen from the lungs to the body tissues
  • hemolysis - lysis of erythrocytes with the release of hemoglobin
  • hemolytic - relating to or involving or causing hemolysis
  • hemophilia - congenital tendency to uncontrolled bleeding; usually affects males and is transmitted from mother to son
  • hemopoiesis - the formation of blood cells in the living body (especially in the bone marrow)
  • hemopoietic - pertaining to the formation of blood or blood cells
  • hemorrhage - flow of blood from a ruptured blood vessels
  • hemosiderin - a granular brown substance composed of ferric oxide; left from the breakdown of hemoglobin; can be a sign of disturbed iron metabolism
  • hemostasis - surgical procedure of stopping the flow of blood (as with a hemostat)
  • henle. Please try the following
  • heparin - a polysaccharide produced in basophils (especially in the lung and liver) and that inhibits the activity of thrombin in coagulation of the blood; it (trade names Lipo-Hepin and Liquaemin) is used as an anticoagulant in the treatment of thrombosis and in heart surgery
  • hepatic - pertaining to or affecting the liver
  • hiatus - a missing piece (as a gap in a manuscript)
  • hilum - the scar on certain seeds marking its point of attachment to the funicle
  • his. Please try the following
  • histocompatibility - condition in which the cells of one tissue can survive in the presence of cells of another tissue
  • histology - the branch of biology that studies the microscopic structure of animal or plant tissues
  • hole - an opening deliberately made in or through something
  • homeostasis - (physiology) metabolic equilibrium actively maintained by several complex biological mechanisms that operate via the autonomic nervous system to offset disrupting changes
  • homologous - corresponding or similar in position or structure or function or characteristics; especially derived from an organism of the same species
  • hormonal - of or relating to or caused by hormones
  • hormone - the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect
  • host - an animal or plant that nourishes and supports a parasite; it does not benefit and is often harmed by the association
  • hr - a period of time equal to 1/24th of a day
  • http - a protocol (utilizing TCP) to transfer hypertext requests and information between servers and browsers
  • human - having human form or attributes as opposed to those of animals or divine beings
  • humoral - of or relating to bodily fluids
  • hydrogen - a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
  • hydrophilic - having a strong affinity for water; tending to dissolve in, mix with, or be wetted by water
  • hydrostatic - relating to fluids at rest or to the pressures they exert or transmit
  • hymen - a fold of tissue that partly covers the entrance to the vagina of a virgin
  • hyperactivity - a condition characterized by excessive restlessness and movement
  • hypercalcemia - the presence of abnormally high levels of calcium in the blood; usually the result of excessive bone resorption in hyperparathyroidism or Paget's disease
  • hyperopia - abnormal condition in which vision for distant objects is better than for near objects
  • hyperpnea - energetic (deep and rapid) respiration that occurs normally after exercise or abnormally with fever or various disorders
  • hypertension - a common disorder in which blood pressure remains abnormally high (a reading of 140/90 mm Hg or greater)
  • hypertonic - (of a solution) having a higher osmotic pressure than a comparison solution
  • hypertrophy - abnormal enlargement of a body part or organ
  • hyperventilation - an increased depth and rate of breathing greater than demanded by the body needs; can cause dizziness and tingling of the fingers and toes and chest pain if continued
  • hypocalcemia - abnormally low level of calcium in the blood; associated with hypoparathyroidism or kidney malfunction or vitamin D deficiency
  • hypothalamus - a basal part of the diencephalon governing autonomic nervous system
  • hypothesis - a tentative theory about the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena
  • hypotonic - (of a solution) having a lower osmotic pressure than a comparison solution
  • hypovolemia - a blood disorder consisting of a decrease in the volume of circulating blood
  • hypovolemic - of or relating to a decrease in the volume of circulating blood
  • hypoxia - a very strong drive resulting from a deficiency of available oxygen in the blood and bodily tissues (short of anoxia)

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I

  • i - the 9th letter of the Roman alphabet
  • ifcop. Please try the following
  • ifhp. Please try the following
  • ii. Please try the following
  • iliac - of or relating to the ilium
  • illness - impairment of normal physiological function affecting part or all of an organism
  • imaging - (medicine) obtaining pictures of the interior of the body
  • immune - (usually followed by `to') not affected by a given influence
  • immunity - the quality of being unaffected by something
  • immunoglobulin - a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response
  • impulse - the act of applying force suddenly
  • in - currently fashionable
  • incus - the ossicle between the malleus and the stapes
  • index - the finger next to the thumb
  • inductive - inducing or influencing; leading on
  • inferior - of or characteristic of low rank or importance
  • information - (communication theory) a numerical measure of the uncertainty of an outcome
  • infundibulum - any of various funnel-shaped parts of the body (but especially the hypophyseal stalk)
  • inguinal - of or relating to or near the groin
  • inheritance - hereditary succession to a title or an office or property
  • inhibition - (psychology) the conscious exclusion of unacceptable thoughts or desires
  • innate - present at birth but not necessarily hereditary; acquired during fetal development
  • inner - inside or closer to the inside of the body
  • innervation - the distribution of nerve fibers to an organ or body region
  • inspiration - arousing to a particular emotion or action
  • inspiratory - pertaining to the drawing in phase respiration
  • insulin - hormone secreted by the isles of Langerhans in the pancreas; regulates storage of glycogen in the liver and accelerates oxidation of sugar in cells
  • interaction - a mutual or reciprocal action; interacting
  • interface - (chemistry) a surface forming a common boundary between two things (two objects or liquids or chemical phases)
  • interferon - an antiviral protein produced by cells that have been invaded by a virus; inhibits replication of the virus
  • interleukin - any of several lymphokines that promote macrophages and killer T cells and B cells and other components of the immune system
  • internal - happening or arising or located within some limits or especially surface
  • intestine - the part of the alimentary canal between the stomach and the anus
  • intima - the innermost membrane of an organ (especially the inner lining of an artery or vein or lymphatic vessel)
  • intra. Please try the following
  • intrinsic - situated within or belonging solely to the organ or body part on which it acts
  • intron - sequence of a eukaryotic gene's DNA that is not translated into a protein
  • inulin - used to manufacture fructose and in assessing kidney function
  • ion - a particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons
  • ionic - containing or involving or occurring in the form of ions
  • ipsp. Please try the following
  • ipsps. Please try the following
  • iris - diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening
  • irv. Please try the following
  • ischemia - local anemia in a given body part sometimes resulting from vasoconstriction or thrombosis or embolism
  • ischemic - relating to or affected by ischemia
  • island - a zone or area resembling an island
  • isotonic - of or involving muscular contraction in which tension is constant while length changes
  • isotope - one of two or more atoms with the same atomic number but with different numbers of neutrons
  • isthmus - a cord-like tissue connecting two larger parts of an anatomical structure

J

  • jga. Please try the following
  • jugular - relating to or located in the region of the neck or throat
  • junction - an act of joining or adjoining things
  • just - used especially of what is legally or ethically right or proper or fitting

K

  • karl. Please try the following
  • kidney - either of two bean-shaped excretory organs that filter wastes (especially urea) from the blood and excrete them and water in urine
  • killer - a difficulty that is hard to deal with
  • kinesthesia - the perception of body position and movement and muscular tensions etc
  • kinetochore - a specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shape
  • krause. Please try the following

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=L

  • labia. Please try the following
  • labor - productive work (especially physical work done for wages)
  • laboratory - a workplace for the conduct of scientific research
  • labyrinth - complex system of paths or tunnels in which it is easy to get lost
  • lactic - of or relating to or obtained from milk (especially sour milk or whey)
  • lactobacillus - Gram-positive rod-shaped bacteria that produce lactic acid especially in milk
  • lacuna - a blank gap or missing part
  • lagging - used to wrap around pipes or boilers or laid in attics to prevent loss of heat
  • lament - a cry of sorrow and grief
  • lamina - a thin plate or layer (especially of bone or mineral)
  • lance - a surgical knife with a pointed double-edged blade; used for punctures and small incisions
  • landsteiner - United States pathologist (born in Austria) who discovered human blood groups (1868-1943)
  • large - having broad power and range and scope
  • laryngeal - of or relating to or situated in the larynx
  • larynx - a cartilaginous structure at the top of the trachea; contains elastic vocal cords that are the source of the vocal tone in speech
  • lateral - lying away from the median and sagittal plane of a body
  • law - the learned profession that is mastered by graduate study in a law school and that is responsible for the judicial system
  • laws - the first of three divisions of the Hebrew Scriptures comprising the first five books of the Hebrew Bible considered as a unit
  • lead - the playing of a card to start a trick in bridge
  • leading - going or proceeding or going in advance; showing the way
  • left - intended for the left hand
  • length - a section of something that is long and narrow
  • lens - a transparent optical device used to converge or diverge transmitted light and to form images
  • leukemia - malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  • leukocyte - blood cells that engulf and digest bacteria and fungi; an important part of the body's defense system
  • leukocytosis - an abnormal increase in the number of white blood cells in the blood as a result of infection (as in leukemia)
  • leukopenia - an abnormal lowering of the white blood cell count
  • level - oriented at right angles to the plumb
  • leydig. Please try the following
  • lh - a gonadotropic hormone that is secreted by the anterior pituitary; stimulates ovulation in female mammals and stimulates androgen release in male mammals
  • life - living things collectively
  • ligament - any connection or unifying bond
  • light - characterized by or emitting light
  • limb - the graduated arc that is attached to an instrument for measuring angles
  • limbic - of or relating to or forming a limbus
  • limbs. Please try the following
  • line - acting in conformity
  • lingual - pertaining to or resembling or lying near the tongue
  • linked - connected by a link, as railway cars or trailer trucks
  • lipase - an enzyme secreted in the digestive tract that catalyzes the breakdown of fats into individual fatty acids that can be absorbed into the bloodstream
  • lipid - an oily organic compound insoluble in water but soluble in organic solvents; essential structural component of living cells (along with proteins and carbohydrates)
  • lipids. Please try the following
  • litmus - a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicator
  • liver - having a reddish-brown color
  • lobe - a rounded projection that is part of a larger structure
  • lobes. Please try the following
  • loci. Please try the following
  • locus - the set of all points or lines that satisfy or are determined by specific conditions
  • long - having or being more than normal or necessary:"long on brains"
  • loop - a flight maneuver; aircraft flies a complete circle in the vertical plane
  • ltd. Please try the following
  • ltp. Please try the following
  • lumbar - of or relating to or near the part of the back between the ribs and the hipbones
  • lumen - a cavity or passage in a tubular organ
  • lung - either of two saclike respiratory organs in the chest of vertebrates; serves to remove carbon dioxide and provide oxygen to the blood
  • luteum. Please try the following
  • lymph - a thin coagulable fluid (similar to plasma but) containing white blood cells (lymphocytes) and chyle; is conveyed to the blood stream by lymphatic vessels
  • lymphocyte - an agranulocytic leukocyte that normally makes up a quarter of the white blood cell count but increases in the presence of infection
  • lymphoid - resembling lymph or lymphatic tissues
  • lymphoma - a neoplasm of lymph tissue that is usually malignant; one of the four major types of cancer
  • lysosome - an organelle found in the cytoplasm of most cells (especially in leukocytes and liver and kidney cells)
  • lysozyme - an enzyme found in saliva and sweat and tears that destroys the cell walls of certain bacteria

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M

  • macromolecule - any very large complex molecule; found only in plants and animals
  • macrophage - a large phagocyte; some are fixed and other circulate in the blood stream
  • macula - a yellowish central area of the retina that is rich in cones and that mediates clear detailed vision
  • magnetic - having the properties of a magnet; i.e. of attracting iron or steel
  • major - greater in number or size or amount
  • majora. Please try the following
  • majors - the most important league in any sport (especially baseball)
  • male - being the sex (of plant or animal) that produces gametes (spermatozoa) that perform the fertilizing function in generation
  • malleus - the ossicle attached to the eardrum
  • malt - a cereal grain that is kiln-dried after having been germinated by soaking in water; used especially in brewing and distilling
  • mammary - of or relating to the milk-giving gland of the female
  • map - a diagrammatic representation of the earth's surface (or part of it)
  • marginal - being close to a lower limit or or of lower class
  • marking - the act of making a visible mark on a surface
  • marrow - the fatty network of connective tissue that fills the cavities of bones
  • mass - gathered or tending to gather into a mass or whole
  • mast - a vertical spar for supporting sails
  • mater - an informal use of the Latin word for mother; sometimes used by British schoolboys or used facetiously
  • matrix - mold used in the production of phonograph records, type, or other relief surface
  • matter - (used with negation) having consequence
  • maturation - coming to full development; becoming mature
  • maximum - the greatest or most complete or best possible
  • mean - (used of persons or behavior) characterized by or indicative of lack of generosity
  • measurement - the act or process of assigning numbers to phenomena according to a rule
  • meatus - a natural body passageway
  • mechanism - the technical aspects of doing something
  • media. Please try the following
  • medial - dividing an animal into right and left halves
  • median - relating to or situated in or extending toward the middle
  • mediastinum - the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus
  • mediated - acting or brought about through an intervening agency
  • medical - requiring or amenable to treatment by medicine especially as opposed to surgery
  • medulla - the inner part of an organ or structure in plant or animal
  • medullary - of or relating to the medulla of any body part
  • megakaryocyte - a large bone marrow cell; regarded as the source of blood platelets
  • meiosis - (genetics) cell division that produces reproductive cells in sexually reproducing organisms; the nucleus divides into four nuclei each containing half the chromosome number (leading to gametes in animals and spores in plants)
  • membrane - a thin pliable sheet of material
  • memory - an electronic memory device
  • menarche - the first occurrence of menstruation in a woman
  • meninges - a membrane (one of 3) that envelops the brain and spinal cord
  • menopause - the time in a woman's life in which the menstrual cycle ends
  • menses - the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
  • menstrual - of or relating to menstruation or the menses
  • mental - affected by a disorder of the mind
  • mesenteric - of or relating to or located in a mesentery
  • mesoderm - the middle germ layer that develops into muscle and bone and cartilage and blood and connective tissue
  • mesothelium - epithelium originating in the embryonic mesoderm; lines the primordial body cavity
  • metabolism - the organic processes (in a cell or organism) that are necessary for life
  • metaphysis - the growing part of a long bone between the diaphysis and the epiphysis
  • method - a way of doing something, especially a systematic way; implies an orderly logical arrangement (usually in steps)
  • mhc. Please try the following
  • microglia - neuroglial tissue of mesodermal origin that can become phagocytic
  • microscope - magnifier of the image of small objects
  • microscopic - too small to be seen except under a microscope
  • middle - between an earlier and a later period of time
  • mineral - of or containing or derived from minerals
  • mineralocorticoid - hormone that is one of the steroids of the adrenal cortex that influences the metabolism of sodium and potassium
  • minora. Please try the following
  • mitosis - cell division in which the nucleus divides into nuclei containing the same number of chromosomes
  • mitotic - of or relating to or undergoing mitosis
  • mitral - of or relating to or located in or near the mitral valve
  • mla. Please try the following
  • mlt. Please try the following
  • model - worthy of imitation
  • modeling - a preliminary sculpture in wax or clay from which a finished work can be copied
  • moderator - someone who mediates disputes and attempts to avoid violence
  • molecular - relating to simple or elementary organization
  • molecule - (physics and chemistry) the simplest structural unit of an element or compound
  • monocyte - a type of granular leukocyte that functions in the ingestion of bacteria
  • monosaccharide - a sugar (like sucrose or fructose) that does not hydrolyse to give other sugars; the simplest group of carbohydrates
  • mons - a mound of fatty tissue covering the pubic area in women
  • morning - the time period between dawn and noon
  • motor - causing or able to cause motion
  • mountain - a land mass that projects well above its surroundings; higher than a hill
  • mouth - the opening of a jar or bottle
  • movement - the act of changing the location of something
  • mri - the use of nuclear magnetic resonance of protons to produce proton density images
  • mrna - the template for protein synthesis; the form of RNA that carries information from DNA in the nucleus to the ribosome sites of protein synthesis in the cell
  • mt - the use of computers to translate from one language to another
  • mu - the 12th letter of the Greek alphabet
  • mucosa - mucus-secreting membrane lining all body cavities or passages that communicate with the exterior
  • mucus - protective secretion of the mucous membranes; in the gut it lubricates the passage of food and protects the epithelial cells; in the nose and throat and lungs it can make it difficult for bacteria to penetrate the body through the epithelium
  • multiplier - the number by which a multiplicand is multiplied
  • murmur - a schwa that is incidental to the pronunciation of a consonant
  • muscle - authority or power or force (especially when used in a coercive way)
  • muscular - having or suggesting great physical power or force
  • mutation - a change or alteration in form or qualities
  • myelin - a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers
  • myeloid - of or relating to bone marrow
  • myo. Please try the following
  • myocardium - the middle muscular layer of the heart wall
  • myometrium - the smooth muscle forming the wall of the uterus
  • myopia - (ophthalmology) eyesight abnormality resulting from the eye's faulty refractive ability; distant objects appear blurred
  • myosin - the commonest protein in muscle; a globulin that combines with actin to form actomyosin

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.N | .O | .P | .Q | .R | .S | .T | .U | .V | .W | .X | .Y | .Z

N

  • naris - any of the openings to the nasal cavities that allow air to flow through the cavities to the pharynx
  • nasal - sounding as if the nose were pinched
  • nasi. Please try the following
  • nasopharynx - cavity forming the upper part of the pharynx
  • natural - being talented through inherited qualities
  • ne - a midwestern state on the Great Plains
  • negative - expressing or consisting of a negation or refusal or denial
  • nephrology - the branch of medicine concerned with the kidney - its development and anatomy and physiology and disorders
  • nephron - any of the small tubules that are the excretory units of the vertebrate kidney
  • nerve - any bundle of nerve fibers running to various organs and tissues of the body
  • nervi - Italian architect who pioneered in the use of reinforced concrete (1891-1979)
  • net - remaining after all deductions
  • network - (broadcasting) a communication system consisting of a group of broadcasting stations that all transmit the same programs
  • neural - of or relating to neurons
  • neurogenic - arising in or stimulated by nerve tissues
  • neurological - of or relating to or used in or practicing neurology
  • neurologist - a medical specialist in the nervous system and the disorders affecting it
  • neuron - a cell that is specialized to conduct nerve impulses
  • neutron - an elementary particle with 0 charge and mass about equal to a proton; enters into the structure of the atomic nucleus
  • neutrophil - the chief phagocytic leukocyte; stains with either basic or acid dyes
  • newborn - having just or recently arisen or come into existence
  • nfp. Please try the following
  • ni - a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite
  • nitrogen - a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
  • nk. Please try the following
  • node - (computer science) any computer that is hooked up to a computer network
  • nodes. Please try the following
  • non - negation of a word or group of words
  • norepinephrine - a catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses
  • normal - conforming with or constituting a norm or standard or level or type or social norm; not abnormal
  • nose - a front that resembles a human nose (especially the front of an aircraft)
  • not - negation of a word or group of words
  • ntgen. Please try the following
  • nuclear - constituting or like a nucleus
  • nuclei. Please try the following
  • nucleolus - a small round body of protein in a cell nucleus; such organelles contain RNA and are involved in protein synthesis
  • nucleotide - a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)
  • nucleus - a part of the cell containing DNA and RNA and responsible for growth and reproduction
  • number - an item of merchandise offered for sale
  • numbers - the fourth book of the Old Testament; contains a record of the number of Israelites who followed Moses out of Egypt
  • nutrition - the scientific study of food and drink (especially in humans)

Table of contents:

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.N | .O | .P | .Q | .R | .S | .T | .U | .V | .W | .X | .Y | .Z

O

  • obesity - more than average fatness
  • octet - a musical composition written for eight performers
  • odor - any property detected by the olfactory system
  • of. Please try the following
  • oils. Please try the following
  • olfaction - the faculty that enables us to distinguish scents
  • oliguria - production of an abnormally small amount of urine
  • omega - the last (24th) letter of the Greek alphabet
  • on - in operation or operational
  • oncogene - a gene that causes normal cells to change into cancerous tumor cells
  • oocyte - a female gametocyte that develops into an ovum after two meiotic divisions
  • open - ready for business
  • opsonization - process whereby opsonins make an invading microorganism more susceptible to phagocytosis
  • or - a room in a hospital equipped for the performance of surgical operations
  • oral - a stage in psychosexual development when the child's interest is concentrated in the mouth; fixation at this stage is said to result in dependence, selfishness, and aggression
  • org. Please try the following
  • organ - wind instrument whose sound is produced by means of pipes arranged in sets supplied with air from a bellows and controlled from a large complex musical keyboard
  • organelle - a specialized part of a cell; analogous to an organ
  • organism - a living thing that has (or can develop) the ability to act or function independently
  • organization - the activity or result of distributing or disposing persons or things properly or methodically
  • orgasm - the moment of most intense pleasure in sexual intercourse
  • origin - properties attributable to your ancestry
  • oropharynx - cavity formed by the pharynx at the back of the mouth
  • orthopedist - a specialist in correcting deformities of the skeletal system (especially in children)
  • osmosis - diffusion of molecules through a semipermeable membrane from a place of higher concentration to a place of lower concentration until the concentration on both sides is equal
  • osmotic - of or relating to osmosis
  • osseous - composed of or containing bone
  • ossi. Please try the following
  • ossicle - a small bone; especially one in the middle ear
  • osteoclast - cell that functions in the breakdown and resorption of bone tissue
  • osteomalacia - abnormal softening of bones caused by deficiencies of phosphorus or calcium or vitamin D
  • osteon. Please try the following
  • osteoporosis - abnormal loss of bony tissue resulting in fragile porous bones attributable to a lack of calcium; most common in postmenopausal women
  • otto. Please try the following
  • outer - being on or toward the outside of the body
  • output - production of a certain amount
  • oval - rounded like an egg
  • ovale. Please try the following
  • ovalis. Please try the following
  • ovarian - of or involving the ovaries
  • ovary - (vertebrates) one of usually two organs that produce ova and secrete estrogen and progesterone
  • over - having come or been brought to a conclusion
  • oviduct - either of a pair of tubes conducting the egg from the ovary to the uterus
  • ovulation - the expulsion of an ovum from the ovary (usually midway in the menstrual cycle)
  • ovum - the female reproductive cell; the female gamete
  • ow. Please try the following
  • oxidative - taking place in the presence of oxygen
  • oxygen - a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust
  • oxyhemoglobin - the bright red hemoglobin that is a combination of hemoglobin and oxygen from the lungs

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P

  • pacemaker - an implanted electronic device that takes over the function of the natural cardiac pacemaker
  • packed - pressed together or compressed
  • pad - the foot or fleshy cushion-like underside of the toes of an animal
  • page - one side of one leaf (of a book or magazine or newspaper or letter etc.) or the written or pictorial matter it contains
  • pain - a somatic sensation of acute discomfort
  • palmar - relating to the palm of the hand or the sole of the foot
  • pamp. Please try the following
  • pancreas - a large elongated exocrine gland located behind the stomach; secretes pancreatic juice and insulin
  • paper - medium for written communication
  • papilla - a small projection of tissue at the base of a hair or tooth or feather
  • papillary - of or relating to or resembling papilla
  • parathyroid - any one of four endocrine glands situated above or within the thyroid gland
  • parietal - of or relating to or associated with the parietal bones in the cranium
  • partial - being or affecting only a part; not total
  • parts - the local environment
  • passive - lacking in energy or will
  • pathogen - any disease-producing agent (especially a virus or bacterium or other microorganism)
  • pattern - a model considered worthy of imitation
  • pct - a proportion multiplied by 100
  • pcv. Please try the following
  • pedicel - a small stalk bearing a single flower of an inflorescence; an ultimate division of a common peduncle
  • pedis. Please try the following
  • peer - a person who is of equal standing with another in a group
  • pelvic - of or relating to the pelvis
  • pelvis - a structure shaped like a funnel in the outlet of the kidney into which urine is discharged before passing into the ureter
  • penis - the male organ of copulation (`member' is a euphemism)
  • pepsin - an enzyme produced in the stomach that splits proteins into peptones
  • perfusion - pumping a liquid into an organ or tissue (especially by way of blood vessels)
  • pericardial - located around the heart or relating to or affecting the pericardium
  • pericardium - a serous membrane with two layers that surrounds the heart
  • period - a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations
  • periodic - recurring or reappearing from time to time
  • periosteum - a dense fibrous membrane covering the surface of bones (except at their extremities) and serving as an attachment for tendons and muscles; contains nerves and blood vessels that nourish the enclosed bone
  • peripheral - on or near an edge or constituting an outer boundary; the outer area
  • peristalsis - the process of wavelike muscle contractions of the alimentary tract that moves food along
  • peritoneal - of or relating to or affecting the peritoneum
  • peritoneum - a transparent membrane that lines the abdominal cavity in mammals and covers most of the viscera
  • permeability - the property of something that can be pervaded by a liquid (as by osmosis or diffusion)
  • permeable - allowing fluids or gases to pass or diffuse through
  • pet - preferred above all others and treated with partiality
  • ph - (from potential of Hydrogen) the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is more basic and less than 7 is more acidic)
  • phagocytosis - process in which phagocytes engulf and digest microorganisms and cellular debris; an important defense against infection
  • pharynx - the passage to the stomach and lungs; in the front part of the neck below the chin and above the collarbone
  • phase - (astronomy) the particular appearance of a body's state of illumination (especially one of the recurring shapes of the part of Earth's moon that is illuminated by the sun)
  • pheromone - a chemical substance secreted externally by some animals (especially insects) that influences the physiology or behavior of other animals of the same species
  • phlebotomy - surgical incision into a vein; used to treat hemochromatosis
  • phosphate - carbonated drink with fruit syrup and a little phosphoric acid
  • phospholipid - any of various compounds composed of fatty acids and phosphoric acid and a nitrogenous base; an important constituent of membranes
  • photosynthesis - synthesis of compounds with the aid of radiant energy (especially in plants)
  • phrenic - of or relating to the diaphragm
  • phylogenetic - of or relating to the evolutionary development of organisms
  • physical - having substance or material existence; perceptible to the senses
  • physiological - of or relating to the biological study of physiology
  • physiology - processes and functions of an organism
  • pia - perennial herb of East Indies to Polynesia and Australia; cultivated for its large edible root yielding Otaheite arrowroot starch
  • pinna - division of a usually pinnately divided leaf
  • pinocytosis - process by which certain cells can engulf and incorporate droplets of fluid
  • pit - a surface excavation for extracting stone or slate
  • pituitary - of or relating to the pituitary gland
  • placement - contact established between applicants and prospective employees
  • placenta - the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus
  • plane - having a surface without slope, tilt in which no part is higher or lower than another
  • plant - a living organism lacking the power of locomotion
  • plantar - relating to or occurring on the undersurface of the foot
  • plants. Please try the following
  • plasma - colorless watery fluid of blood and lymph containing no cells and in which erythrocytes and leukocytes and platelets are suspended
  • plasmin - an enzyme that dissolves the fibrin of blood clots
  • plasticity - the property of being physically malleable; the property of something that can be worked or hammered or shaped without breaking
  • plate - dish on which food is served or from which food is eaten
  • platelet - tiny bits of protoplasm found in vertebrate blood; essential for blood clotting
  • pleura - the thin serous membrane around the lungs and inner walls of the chest
  • pleural - of or relating to the pleura or the walls of the thorax
  • plexus - a network of intersecting blood vessels or intersecting nerves or intersecting lymph vessels
  • plug - blockage consisting of an object designed to fill a hole tightly
  • pns. Please try the following
  • polar - having a pair of equal and opposite charges
  • polycythemia - a disorder characterized by an abnormal increase in the number of red blood cells in the blood
  • polymerase - an enzyme that catalyzes the formation of new DNA and RNA from an existing strand of DNA or RNA
  • polypeptide - a peptide containing 10 to more than 100 amino acids
  • polysaccharide - any of a class of carbohydrates whose molecules contain chains of monosaccharide molecules
  • polyuria - renal disorder characterized by the production of large volumes of pale dilute urine; often associated with diabetes
  • popliteal - of or relating to the area behind the knee joint
  • population - the act of populating (causing to live in a place)
  • pore - any small opening in the skin or outer surface of an animal
  • pores. Please try the following
  • portal - a grand and imposing entrance (often extended metaphorically)
  • position - the act of positing; an assumption taken as a postulate or axiom
  • positive - formally laid down or imposed
  • positron - an elementary particle with positive charge; interaction of a positron and an electron results in annihilation
  • post - the delivery and collection of letters and packages
  • posterior - at or near the hind end in quadrupeds or toward the spine in primates
  • potentiation - (medicine) the synergistic effect of two drugs given simultaneously
  • prepuce - a fold of skin covering the tip of the penis
  • presbyopia - farsightedness resulting from a reduced ability to focus caused by loss of elasticity of the crystalline lens with age
  • primary - not derived from or reducible to something else; basic
  • primer - an introductory textbook
  • primitive - used of preliterate or tribal or nonindustrial societies
  • primordial - having existed from the beginning; in an earliest or original stage or state
  • primum. Please try the following
  • process - a sustained phenomenon or one marked by gradual changes through a series of states
  • processing - preparing or putting through a prescribed procedure
  • production - (law) the act of exhibiting in a court of law
  • progesterone - a steroid hormone (trade name Lipo-Lutin) produced in the ovary; prepares and maintains the uterus for pregnancy
  • projection - any structure that branches out from a central support
  • prokaryote - a unicellular organism having cells lacking membrane-bound nuclei; bacteria are the prime example but also included are blue-green algae and actinomycetes and mycoplasma
  • prokaryotic - having cells that lack membrane-bound nuclei
  • promoter - someone who is an active supporter and advocate
  • prone - lying face downward
  • propagation - the spreading of something (a belief or practice) into new regions
  • proper - appropriate for a condition or purpose or occasion or a person's character, needs
  • proprioception - the ability to sense the position and location and orientation and movement of the body and its parts
  • prostate - relating to the prostate gland
  • protection - payment extorted by gangsters on threat of violence
  • protein - any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes
  • proto - indicating the first or earliest or original
  • proton - a stable particle with positive charge equal to the negative charge of an electron
  • proximal - situated nearest to point of attachment or origin
  • prr. Please try the following
  • puberty - the time of life when sex glands become functional
  • pubis - one of the three sections of the hipbone; together these two bones form the front of the pelvis
  • pulmonary - relating to or affecting the lungs
  • pulse - the rhythmic contraction and expansion of the arteries with each beat of the heart
  • pump - a mechanical device that moves fluid or gas by pressure or suction
  • pupil - contractile aperture in the iris of the eye
  • purkinje - Bohemian physiologist remembered for his discovery of Purkinje cells and the Purkinje network (1787-1869)
  • pyramid - a massive monument with a square base and four triangular sides; begun by Cheops around 2700 BC as royal tombs in ancient Egypt
  • qrs. Please try the following
  • quiet - of the sun; characterized by a low level of surface phenomena like sun spots e.g.

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R

  • radial - arranged like rays or radii; radiating from a common center
  • radiate - send out real or metaphoric rays
  • range - a place for shooting (firing or driving) projectiles of various kinds
  • raphae. Please try the following
  • rate - amount of a charge or payment relative to some basis
  • ray - cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins
  • rbc - a mature blood cell that contains hemoglobin to carry oxygen to the bodily tissues; a biconcave disc that has no nucleus
  • rbcs. Please try the following
  • re - the syllable naming the second (supertonic) note of any major scale in solmization
  • reabsorption - the organic process in which the substance of some differentiated structure that has been produced by the body undergoes lysis and assimilation
  • reactivity - ready susceptibility to chemical change
  • reasoning - endowed with the capacity to reason
  • receptive - able to absorb liquid (not repellent)
  • receptor - a cellular structure that is postulated to exist in order to mediate between a chemical agent that acts on nervous tissue and the physiological response
  • recognition - designation by the chair granting a person the right to speak in a deliberative body
  • recta. Please try the following
  • rectum - the terminal section of the alimentary canal; from the sigmoid flexure to the anus
  • red - red with or characterized by blood
  • referenced - supported with written references or citations
  • refractory - temporarily unresponsive or not fully responsive to nervous or sexual stimuli
  • region - the extended spatial location of something
  • regional - related or limited to a particular region
  • regulation - prescribed by or according to regulation
  • regulatory - restricting according to rules or principles
  • relaxation - a method of solving simultaneous equations by guessing a solution and then reducing the errors that result by successive approximations until all the errors are less than some specified amount
  • release - (music) the act or manner of terminating a musical phrase or tone
  • releasing - emotionally purging (of e.g. art)
  • renal - of or relating to the kidneys
  • renin - a proteolytic enzyme secreted by the kidneys; catalyzes the formation of angiotensin and thus affects blood pressure
  • repair - the act of putting something in working order again
  • replication - the repetition of an experiment in order to test the validity of its conclusion
  • reproduction - the sexual activity of conceiving and bearing offspring
  • rer. Please try the following
  • reserve - the trait of being uncommunicative; not volunteering anything more than necessary
  • residual - relating to or indicating a remainder
  • resistance - the action of opposing something that you disapprove or disagree with
  • resonance - the quality imparted to voiced speech sounds by the action of the resonating chambers of the throat and mouth and nasal cavities
  • respiration - the metabolic processes whereby certain organisms obtain energy from organic molecules; processes that take place in the cells and tissues during which energy is released and carbon dioxide is produced and absorbed by the blood to be transported to the lungs
  • response - a phrase recited or sung by the congregation following a versicle by the priest or minister
  • responsiveness - the quality of being responsive; reacting quickly; as a quality of people, it involves responding with emotion to people and events
  • resuscitation - the act of reviving a person and returning them to consciousness
  • reticulocyte - an immature red blood cell containing a network of filaments or granules
  • reticulum - the second compartment of the stomach of a ruminant
  • retina - the light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve
  • retinal - in or relating to the retina of the eye
  • rh - any of several hormones produced in the hypothalamus and carried by a vein to the anterior pituitary gland where they stimulate the release of anterior pituitary hormones; each of these hormones causes the anterior pituitary to secrete a specific hormone
  • rhodopsin - a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light
  • rhythm - recurring at regular intervals
  • ribosome - an organelle in the cytoplasm of a living cell; they attach to mRNA and move down it one codon at a time and then stop until tRNA brings the required amino acid; when it reaches a stop codon it falls apart and releases the completed protein molecule for use by the cell
  • right - correct in opinion or judgment
  • ring - jewelry consisting of a circlet of precious metal (often set with jewels) worn on the finger
  • rna - (biochemistry) a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes; it transmits genetic information from DNA to the cytoplasm and controls certain chemical processes in the cell
  • ro - an artificial language for international use that rejects all existing words and is based instead on an abstract analysis of ideas
  • rod - any rod-shaped bacterium
  • rods. Please try the following
  • root - the part of a tooth that is embedded in the jaw and serves as support
  • rrna. Please try the following
  • ru - a rare polyvalent metallic element of the platinum group; it is found associated with platinum
  • rugae. Please try the following
  • rule - measuring stick consisting of a strip of wood or metal or plastic with a straight edge that is used for drawing straight lines and measuring lengths

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T

  • sa - Nazi militia created by Hitler in 1921 that helped him to power but was eclipsed by the SS after 1943
  • sac - a structure resembling a bag in an animal
  • sacral - of or relating to sacred rites
  • sagittal - located in a plane that is parallel to the central plane of the sagittal suture
  • salty - containing or filled with salt
  • sarcolemma - an extensible membrane enclosing the contractile substance of a muscle fiber
  • sarcomere - one of the segments into which a myofibril is divided
  • satellite - surrounding and dominated by a central authority or power
  • saturated - (of color) being chromatically pure; not diluted with white or grey or black
  • scale - a flattened rigid plate forming part of the body covering of many animals
  • schizophrenia - any of several psychotic disorders characterized by distortions of reality and disturbances of thought and language and withdrawal from social contact
  • schwann - German physiologist and histologist who in 1838 and 1839 identified the cell as the basic structure of plant and animal tissue (1810-1882)
  • science - a particular branch of scientific knowledge
  • scrotum - the external pouch that contains the testes
  • second - having the second highest gear ratio
  • secondary - belonging to a lower class or rank
  • secretion - a functionally specialized substance (especially one that is not a waste) released from a gland or cell
  • secretory - of or relating to or producing a secretion
  • section - one of several parts or pieces that fit with others to constitute a whole object
  • segment - one of the parts into which something naturally divides
  • segmental - divided or organized into speech segments or isolable speech sounds
  • selection - an assortment of things from which a choice can be made
  • selective - tending to select; characterized by careful choice
  • semen - the thick white fluid containing spermatozoa that is ejaculated by the male genital tract
  • seminal - pertaining to or containing or consisting of semen
  • sensation - an unelaborated elementary awareness of stimulation
  • sense - the faculty through which the external world is apprehended
  • sensor - any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner
  • sensory - involving or derived from the senses
  • sepsis - the presence of pus-forming bacteria or their toxins in the blood or tissues
  • septic - containing or resulting from disease-causing organisms
  • septum - (anatomy) a dividing partition between two tissues or cavities
  • ser. Please try the following
  • serous - of or producing or containing serum
  • serum - watery fluid of the blood that resembles plasma but contains fibrinogen
  • sesamoid - any of several small round bones formed in a tendon where it passes over a joint
  • set - being below the horizon
  • sex - the properties that distinguish organisms on the basis of their reproductive roles
  • sexual - having or involving sex
  • shape - the spatial arrangement of something as distinct from its substance
  • shared - have in common; held or experienced in common
  • sheath - a protective covering for a knife or sword
  • shift - the act of moving from one place to another
  • shock - the violent interaction of individuals or groups entering into combat
  • short - tending to crumble or break into flakes due to a large amount of shortening
  • shunt - implant consisting of a tube made of plastic or rubber; for draining fluids within the body
  • sickle - an edge tool for cutting grass or crops; has a curved blade and a short handle
  • sight - a optical instrument for aiding the eye in aiming, as on a firearm or surveying instrument
  • sigmoid - of or relating to the sigmoid flexure in the large intestine
  • signal - notably out of the ordinary
  • singular - being a single and separate person or thing
  • sinus - any of various air-filled cavities especially in the bones of the skull
  • sinusoid - tiny endothelium-lined passages for blood in the tissue of an organ
  • site - physical position in relation to the surroundings
  • size - (used in combination) sized
  • skeletal - of or relating to or forming or attached to a skeleton
  • skeleton - the internal supporting structure that gives an artifact its shape
  • skin - an outer surface (usually thin)
  • sleep - a natural and periodic state of rest during which consciousness of the world is suspended
  • sliding - being a smooth continuous motion
  • small - limited or below average in number or quantity or magnitude or extent
  • smell - the act of perceiving the odor of something
  • smoke - the act of smoking tobacco or other substances
  • smooth - lacking obstructions or difficulties
  • solute - the dissolved substance in a solution; the component of a solution that changes its state
  • solvent - capable of meeting financial obligations
  • somatic - affecting or characteristic of the body as opposed to the mind or spirit
  • sounds. Please try the following
  • sour - smelling of fermentation or staleness
  • space - the unlimited expanse in which everything is located
  • spasm - (pathology) sudden constriction of a hollow organ (as a blood vessel)
  • speci. Please try the following
  • spectrum - broad range of related values or qualities or ideas or activities
  • sperm - the male reproductive cell; the male gamete
  • spermatic - consisting of or resembling spermatozoa
  • spermatid - an immature gamete produced by a spermatocyte; develops into a spermatozoon
  • spermatocyte - a male gametocyte that develops into four spermatids
  • sphincter - a ring of muscle that contracts to close an opening
  • spinal - of or relating to the spine or spinal cord
  • spindle - a stick or pin used to twist the yarn in spinning
  • splenic - of or relating to the spleen
  • splicing - a junction where two things (as paper or film or magnetic tape) have been joined together
  • spongy - like a sponge in being able to absorb liquids and yield it back when compressed
  • spontaneous - happening or arising without apparent external cause
  • ssion. Please try the following
  • stapes - the stirrup-shaped ossicle that transmits sound from the incus to the cochlea
  • starch - a complex carbohydrate found chiefly in seeds, fruits, tubers, roots and stem pith of plants, notably in corn, potatoes, wheat, and rice; an important foodstuff and used otherwise especially in adhesives and as fillers and stiffeners for paper and textiles
  • starling - gregarious birds native to the Old World
  • start - a turn to be a starter (in a game at the beginning)
  • stem - the tube of a tobacco pipe
  • steroid - any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings; many have important physiological effects
  • stethoscope - a medical instrument for listening to the sounds generated inside the body
  • stimulating - rousing or quickening activity or the senses
  • stimulus - any stimulating information or event; acts to arouse action
  • stirrup - support consisting of metal loops into which rider's feet go
  • stomach - an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion
  • stop - a brief stay in the course of a journey
  • storage - the act of storing something
  • straight - right; in keeping with the facts
  • strand - line consisting of a complex of fibers or filaments that are twisted together to form a thread or a rope or a cable
  • stroke - a light touch with the hands
  • structure - a thing constructed; a complex entity constructed of many parts
  • study - a room used for reading and writing and studying
  • substrate - an indigenous language that contributes features to the language of an invading people who impose their language on the indigenous population
  • sugar - a white crystalline carbohydrate used as a sweetener and preservative
  • sulci. Please try the following
  • sulcus - (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain
  • summation - the arithmetic operation of summing; calculating the sum of two or more numbers
  • super - including more than a specified category
  • superior - (often followed by `to') above being affected or influenced by
  • support - a military operation (often involving new supplies of men and materiel) to strengthen a military force or aid in the performance of its mission
  • suppressor - an electrical device for suppressing unwanted currents
  • surfactant - a substance capable of reducing the surface tension of a liquid in which it is dissolved
  • suspensory - a bandage of elastic fabric applied to uplift a dependant part (as the scrotum or a pendulous breast)
  • sv. Please try the following
  • sweet - pleasing to the senses
  • sympathetic - expressing or feeling or resulting from sympathy or compassion or friendly fellow feelings; disposed toward
  • synapse - the junction between two neurons (axon-to-dendrite) or between a neuron and a muscle
  • synapsis - the side by side pairing of homologous maternal and paternal chromosomes at the start of meiosis
  • synaptic - (neuroscience) of or involving synapses
  • syndrome - a complex of concurrent things
  • synthesis - the combination of ideas into a complex whole
  • system - instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity
  • systole - the contraction of the chambers of the heart (especially the ventricles) to drive blood into the aorta and pulmonary artery
  • systolic - of or relating to a systole or happing during a systole

Table of contents:

.A | .B | .C | .D | .E | .F | .G | .H | .I | .J | .K | .L | .M

.N | .O | .P | .Q | .R | .S | .T | .U | .V | .W | .X | .Y | .Z

T

  • table - a piece of furniture having a smooth flat top that is usually supported by one or more vertical legs
  • tachycardia - abnormally rapid heartbeat (over 100 beats per minute)
  • tactile - producing a sensation of touch
  • tamponade - blockage or closure (as of a wound or body cavity) by (or as if by) a tampon (especially to stop bleeding)
  • target - sports equipment consisting of an object set up for a marksman or archer to aim at
  • taste - a kind of sensing; distinguishing substances by means of the taste buds
  • tc - a permanent council of the United Nations that commissions a country (or countries) to undertake the administration of a territory
  • technician - someone whose occupation involves training in a specific technical process
  • technologist - a person who uses scientific knowledge to solve practical problems
  • telomerase - an enzyme in eukaryotic cells that can add telomeres to the ends of chromosomes after they divide
  • telomere - either (free) end of a eukaryotic chromosome
  • temperature - the degree of hotness or coldness of a body or environment (corresponding to its molecular activity)
  • template - a model or standard for making comparisons
  • tendon - a cord or band of inelastic tissue connecting a muscle with its bony attachment
  • tension - the action of stretching something tight
  • term - any distinct quantity contained in a polynomial
  • terminal - causing or ending in or approaching death
  • terms - the amount of money needed to purchase something
  • tertiary - coming next after the second and just before the fourth in position
  • testes. Please try the following
  • testicle - one of the two male reproductive glands that produce spermatozoa and secrete androgens
  • testis - one of the two male reproductive glands that produce spermatozoa and secrete androgens
  • testosterone - a potent androgenic hormone produced chiefly by the testes; responsible for the development of male secondary sex characteristics
  • text - the words of something written
  • th - a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands
  • thalamus - large egg-shaped structures of grey matter that form the dorsal subdivision of the diencephalon
  • thalassemia - an inherited form of anemia caused by faulty synthesis of hemoglobin
  • that. Please try the following
  • the. Please try the following
  • theca - outer sheath of the pupa of certain insects
  • theory - a belief that can guide behavior
  • therapy - (medicine) the act of caring for someone (as by medication or remedial training etc.)
  • thermodynamics - the branch of physics concerned with the conversion of different forms of energy
  • they. Please try the following
  • thick - abounding; having a lot of
  • thin - lacking excess flesh
  • thoracic - of or relating to the chest or thorax
  • threshold - the smallest detectable sensation
  • thrombin - an enzyme that acts on fibrinogen in blood causing it to clot
  • thrombocyte - tiny bits of protoplasm found in vertebrate blood; essential for blood clotting
  • thrombocytopenia - a blood disease characterized by an abnormally small number of platelets in the blood
  • thrombocytosis - increase in the number of platelets in the blood which tends to cause clots to form; associated with many neoplasms and chronic infections and other diseases
  • thrombosis - the formation or presence of a thrombus (a clot of coagulated blood attached at the site of its formation) in a blood vessel
  • thrombus - a blood clot formed within a blood vessel and remaining attached to its place of origin
  • thymus - large genus of Old World mints: thyme
  • thyroid - suggestive of a thyroid disorder
  • tia - brief episode in which the brain gets insufficient blood supply; symptoms depend on the site of the blockage
  • tibial - relating to or located near a tibia
  • tidal - of or relating to or caused by tides
  • tight - affected by scarcity and expensive to borrow
  • tissue - part of an organism consisting of an aggregate of cells having a similar structure and function
  • tlc - considerate and solicitous care
  • tomography - (medicine) obtaining pictures of the interior of the body
  • tone - (linguistics) a pitch or change in pitch of the voice that serves to distinguish words in tonal languages
  • tonic - used of syllables
  • tonicity - the elastic tension of living muscles, arteries, etc. that facilitate response to stimuli
  • tonsil - either of two masses of lymphatic tissue one on each side of the oral pharynx
  • total - constituting the full quantity or extent; complete
  • totipotent - having the ability to give rise to unlike cells
  • trabecula - rod-shaped structures of fibrous tissue that divide an organ into parts (as in the penis) or stabilize the structure of an organ (as in the spleen)
  • trachea - membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi
  • tracing - the act of drawing a plan or diagram or outline
  • trans. Please try the following
  • transcription - a sound or television recording (e.g., from a broadcast to a tape recording)
  • transduction - the process whereby a transducer accepts energy in one form and gives back related energy in a different form
  • transfer - the act of transfering something from one form to another
  • transferrin - a globulin in blood plasma that carries iron
  • transient - of a mental act; causing effects outside the mind
  • translational - of or relating to uniform movement without rotation
  • transmission - the act of sending a message; causing a message to be transmitted
  • transplant - the act of removing something from one location and introducing it in another location
  • transport - an exchange of molecules (and their kinetic energy and momentum) across the boundary between adjacent layers of a fluid or across cell membranes
  • transverse - extending or lying across; in a crosswise direction; at right angles to the long axis
  • tree - English actor and theatrical producer noted for his lavish productions of Shakespeare (1853-1917)
  • tricuspid - having three cusps or points (especially a molar tooth)
  • triglyceride - glyceride occurring naturally in animal and vegetable tissues; it consists of three individual fatty acids bound together in a single large molecule; an important energy source forming much of the fat stored by the body
  • trimester - one of three divisions of an academic year
  • trna - RNA molecules present in the cell (in at least 20 varieties, each variety capable of combining with a specific amino acid) that attach the correct amino acid to the protein chain that is being synthesized at the ribosome of the cell (according to directions coded in the mRNA)
  • trnas. Please try the following
  • true - accurately placed or thrown
  • trunk - luggage consisting of a large strong case used when traveling or for storage
  • tube - conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
  • tubular - constituting a tube; having hollow tubes (as for the passage of fluids)
  • tumor - an abnormal new mass of tissue that serves no purpose
  • tunica - an enveloping or covering membrane or layer of body tissue
  • tympanum - a large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on it
  • type - a small metal block bearing a raised character on one end; produces a printed character when inked and pressed on paper
  • types. Please try the following
  • typing - writing done with a typewriter

U

  • uid. Please try the following
  • ulnar - relating to or near the ulna
  • ultrasonography - using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs
  • ultrasound - very high frequency sound; used in ultrasonography
  • umami. Please try the following
  • umbilical - relating to or resembling the umbilicus
  • uni. Please try the following
  • universal - adapted to various purposes, sizes, forms, operations
  • unsaturated - (of color) not chromatically pure; diluted
  • up - used up
  • upper - higher in place or position
  • ureter - either of a pair of thick-walled tubes that carry urine from the kidney to the urinary bladder
  • urethra - duct through which urine is discharged in most mammals and which serves as the male genital duct
  • urinalysis - (medicine) the chemical analysis of urine (for medical diagnosis)
  • urinary - of or relating to the function or production or secretion of urine
  • urine - liquid excretory product
  • uterine - of or involving the uterus
  • uterus - a hollow muscular organ in the pelvic cavity of females; contains the developing fetus

Table of contents:

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.N | .O | .P | .Q | .R | .S | .T | .U | .V | .W | .X | .Y | .Z

V

  • vaccination - the scar left following inoculation with a vaccine
  • vacuole - a tiny cavity filled with fluid in the cytoplasm of a cell
  • vagina - the lower part of the female reproductive tract; a moist canal in female mammals extending from the labia minora to the uterus
  • valve - control consisting of a mechanical device for controlling the flow of a fluid
  • valves. Please try the following
  • van - a truck with an enclosed cargo space
  • variable - (used of a device) designed so that a property (as e.g. light) can be varied
  • vas - a tube in which a body fluid circulates
  • vasa. Please try the following
  • vascular - of or relating to or having vessels that conduct and circulate fluids
  • vasectomy - surgical procedure that removes all or part of the vas deferens (usually as a means of sterilization); is sometimes reversible
  • vasodilation - dilation of blood vessels (especially the arteries)
  • vasodilator - a drug that causes dilation of blood vessels
  • vasopressin - hormone secreted by the posterior pituitary gland (trade name Pitressin) and also by nerve endings in the hypothalamus; affects blood pressure by stimulating capillary muscles and reduces urine flow by affecting reabsorption of water by kidney tubules
  • vein - one of the horny ribs that stiffen and support the wing of an insect
  • veins. Please try the following
  • vena - a blood vessel that carries blood from the capillaries toward the heart
  • venous - of or contained in or performing the function of the veins
  • ventilation - the act of supplying fresh air and getting rid of foul air
  • ventral - toward or on or near the belly (front of a primate or lower surface of a lower animal)
  • ventricle - a chamber of the heart that receives blood from an atrium and pumps it to the arteries
  • ventricular - of or relating to a ventricle (of the heart or brain)
  • venule - a minute vein continuous with a capillary
  • vertebral - of or relating to or constituting vertebrae
  • vesicle - a small anatomically normal sac or bladderlike structure (especially one containing fluid)
  • vessel - a craft designed for water transportation
  • viagra - virility drug (trade name Viagra) used to treat erectile dysfunction in men
  • villi. Please try the following
  • visceral - relating to or affecting the viscera
  • viscosity - resistance of a liquid to sheer forces (and hence to flow)
  • vision - the perceptual experience of seeing
  • vital - manifesting or characteristic of life
  • vitamin - any of a group of organic substances essential in small quantities to normal metabolism
  • vocal - full of the sound of voices
  • volume - the magnitude of sound (usually in a specified direction)
  • vrg. Please try the following
  • vulva - external parts of the female genitalia

W

  • waals. Please try the following
  • wall - an architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure
  • waste - located in a dismal or remote area; desolate
  • water - a fluid necessary for the life of most animals and plants
  • wave - a movement like that of a sudden occurrence or increase in a specified phenomenon
  • wbc - blood cells that engulf and digest bacteria and fungi; an important part of the body's defense system
  • wbcs. Please try the following
  • white - of or belonging to a racial group having light skin coloration
  • willis - English physician who was a pioneer in the study of the brain (1621-1675)
  • window - a framework of wood or metal that contains a glass windowpane and is built into a wall or roof to admit light or air
  • with. Please try the following
  • woese. Please try the following
  • wol. Please try the following

Y

  • yellow - of the color intermediate between green and orange in the color spectrum; of something resembling the color of an egg yolk

Z

  • zone - (anatomy) any encircling or beltlike structure

Table of contents:

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.N | .O | .P | .Q | .R | .S | .T | .U | .V | .W | .X | .Y | .Z

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