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Dictionary of family medicine O

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  • o   noun the blood group whose red cells carry neither the A nor B antigens;  the 15th letter of the Roman alphabet;  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
  • oa.
  • oabs.
  • oabs overactive bladder syndrome.
  • oam.
  • oars.
  • oars mnemonic for patient centered.
  • obese   adj. excessively fat
  • obesity   noun more than average fatness
  • objective   adj. belonging to immediate experience of actual things or events;  undistorted by emotion or personal bias; based on observable phenomena;  emphasizing or expressing things as perceived without distortion of personal feelings, insertion of fictional matter, or interpretation;  serving as or indicating the object of a verb or of certain prepositions and used for certain other purposes;  nounthe lens or system of lenses in a telescope or microscope that is nearest the object being viewed;  the goal intended to be attained (and which is believed to be attainable)
  • objectives.
  • obliterans.
  • observation   noun the act of observing; taking a patient look;  the act of making and recording a measurement;  facts learned by observing;  a remark expressing careful consideration;  the act of noticing or paying attention
  • observed   adj. discovered or determined by scientific observation
  • obsessive compulsive   adj. characterized by obsessions and compulsions;  noun a person with obsessive compulsive characteristics
  • obsessive compulsive disorder.
  • obsessive compulsive personality disorder.
  • obstetric   adj. of or relating to or used in or practicing obstetrics
  • obstetricians.
  • obstetrics   noun the branch of medicine dealing with childbirth and care of the mother
  • obstruction   noun getting in someone's way;  the act of obstructing; any structure that makes progress difficult;  the state or condition of being obstructed;  something immaterial that stands in the way and must be circumvented or surmounted
  • obstructive   adj. preventing movement
  • obstructive sleep apnea.
  • obstructive sleep apnea syndrome.
  • obtained.
  • obtaining.
  • obturator   noun a prosthesis used to close an opening (as to close an opening of the hard palate in cases of cleft palate)
  • occipital   adj. of or relating to the occiput
  • occlusion   noun (dentistry) the normal spatial relation of the teeth when the jaws are closed;  closure or blockage (as of a blood vessel);  the act of blocking;  an obstruction in a pipe or tube; (meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft
  • occlusive   adj. tending to occlude;  noun a consonant produced by stopping the flow of air at some point and suddenly releasing it
  • occult   adj. hidden and difficult to see;  having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding;  noun supernatural practices and techniques;  supernatural forces and events and beings collectively; verb hide from view;  become concealed or hidden from view or have its light extinguished;  cause an eclipse of (a celestial body) by intervention
  • occupational   adj. of or relating to the activity or business for which you are trained
  • ocd.
  • ocd obsessive compulsive disorder.
  • ochronosis   noun an accumulation of dark pigment in cartilage and other connective tissue; usually a symptom of alkaptonuria or phenol poisoning
  • octreotide.
  • ocular   adj. able to be seen;  relating to or using sight;  of or relating to or resembling the eye;  noun combination of lenses at the viewing end of optical instruments
  • oculomotor   noun supplies extrinsic muscles of the eye
  • oculomotor nerve   noun supplies extrinsic muscles of the eye
  • oculomotor nerve pathways.
  • odd oppositional defiant disorder.
  • odds   noun the likelihood of a thing occurring rather than not occurring;  the ratio by which one better's wager is greater than that of another
  • odgkin.
  • odors.
  • of.
  • of antimicrobial therapy for bacterial.
  • of chronic obstructive pulmonary disease.
  • of early pregnancy.
  • of elderly patients.
  • of late pregnancy.
  • of national.
  • of patient patient education.
  • of patients with substance use disorders.
  • of pleural and extrapulmonary space diseases.
  • of power prevention of in providing culturally competent.
  • of rheumatic and other musculoskeletal.
  • of secondary and tertiary adrenal insufficiency.
  • of therapy with an invasive or.
  • of thrombocytopenia in pregnancy.
  • of tympanic membrane and middle ossicles.
  • of who on.
  • offender   noun a person who transgresses moral or civil law
  • offenders.
  • office   noun a religious rite or service prescribed by ecclesiastical authorities;  place of business where professional or clerical duties are performed;  professional or clerical workers in an office;  (of a government or government official) holding an office means being in power;  a job in an organization;  the actions and activities assigned to or required or expected of a person or group;  an administrative unit of government
  • office of alternative medicine.
  • ofloxacin.
  • oils.
  • oj.
  • olanzapine.
  • older   adj. old in experience;  advanced in years; (`aged' is pronounced as two syllables);  used of the older of two persons of the same name especially used to distinguish a father from his son
  • older adults.
  • older older adults.
  • olecranon   noun process of the ulna that forms the outer bump of the elbow and fits into the fossa of the humerus when the arm is extended
  • olfactory   adj. of or relating to olfaction
  • oligomenorrhea   noun abnormally light or infrequent menstruation
  • oligophrenia.
  • oliguria   noun production of an abnormally small amount of urine; abnormally small production of urine; can be a symptom of kidney disease or obstruction of the urinary tract or edema or an imbalance of fluids and electrolytes in the body
  • oliver   noun United States jazz musician who influenced the style of Louis Armstrong (1885 1938)
  • olmesartan.
  • olness.
  • omental.
  • omentum   noun a fold of peritoneum supporting the viscera
  • on   adj. in operation or operational;  (of events) planned or scheduled;  adv. indicates continuity or persistence or concentration; in a state required for something to function or be effective;  with a forward motion
  • on appropriateness criteria.
  • on heart failure classification.
  • on pcmh.
  • on preventive screening and health promotion in older adults.
  • on unintended.
  • oncology   noun the branch of medicine concerned with the study and treatment of tumors
  • one   adj. indefinite in time or position;  being a single entity made by combining separate components;  used informally as an intensifier; of the same kind or quality;  used of a single unit or thing; not two or more;  having the indivisible character of a unit;  eminent beyond or above comparison;  noun a single person or thing;  the smallest whole number or a numeral representing this number
  • onglyza.
  • online.
  • onset   noun the beginning or early stages;  (military) an offensive against an enemy (using weapons)
  • ontario   noun a prosperous and industrialized province in central Canada;  the smallest of the Great Lakes
  • onychocryptosis.
  • onychogryposis.
  • onycholysis   noun separation of a nail from its normal attachment to the nail bed
  • onychomycosis.
  • oop.
  • opacities.
  • open   adj. ready for business;  not having been filled;  without undue constriction as from e.g. tenseness or inhibition;  affording unobstructed entrance and exit; not shut or closed;  affording free passage or access;  used of mouth or eyes;  having no protecting cover or enclosure;  (set theory) of an interval that contains neither of its endpoints;  open to or in view of all;  accessible to all;  not sealed or having been unsealed;  not brought to a conclusion; subject to further thought;  not requiring union membership;  openly straightforward and direct without reserve or secretiveness;  affording free passage or view;  open and observable; not secret or hidden; with no protection or shield;  ready or willing to receive favorably;  (of textures) full of small openings or gaps;  possibly accepting or permitting;  not defended or capable of being defended;  nouninformation that has become public;  a tournament in which both professionals and amateurs may play;  a clear or unobstructed space or expanse of land or water;  where the air is unconfined;  verb make available;  become available;  make the opening move;  cause to open or to become open;  become open;  display the contents of a file or start an application as on a computer;  begin or set in action, of meetings, speeches, recitals, etc.;  start to operate or function or cause to start operating or functioning;  have an opening or passage or outlet;  spread out or open from a closed or folded state;  afford access to
  • open access.
  • open angle.
  • open ended   adj. allowing for future changes or revisions;  allowing for a spontaneous response;  without fixed limits or restrictions
  • open fracture   noun bone fracture associated with lacerated soft tissue or an open wound
  • open reduction and internal fixation.
  • opener   noun a hand tool used for opening sealed containers (bottles or cans);  the first event in a series;  a person who unfastens or unwraps or opens
  • opening   adj. first or beginning;  noun the act of opening something; becoming open or being made open;  a recognized sequence of moves at the beginning of a game of chess;  a vacant or unobstructed space that is man made;  the initial part of the introduction;  the first performance (as of a theatrical production);  a ceremony accompanying the start of some enterprise;  an open or empty space in or between things;  opportunity especially for employment or promotion;  the first of a series of actions;  an entrance equipped with a hatch; especially a passageway between decks of a ship;  an aperture or hole that opens into a bodily cavity;  a possible alternative
  • opening snap.
  • operant   adj. having influence or producing an effect
  • operating   adj. involved in a kind of operation;  being in effect or operation
  • operative   adj. being in force or having or exerting force;  effective; producing a desired effect;  of or relating to a surgical operation;  (of e.g. a machine) performing or capable of performing;  relating to or requiring or amenable to treatment by surgery especially as opposed to medicine;  noun someone who can be employed as a detective to collect information;  a person secretly employed in espionage for a government
  • ophthalmia   noun severe conjunctivitis
  • ophthalmic   adj. of or relating to ophthalmology;  of or relating to the eye
  • ophthalmology   noun the branch of medicine concerned with the eye and its diseases
  • ophthalmology pediatric ophthalmology.
  • ophthalmopathy.
  • opiate   noun a narcotic drug that contains opium or an opium derivative
  • opiates.
  • opioid.
  • opioids.
  • oppenheim.
  • oppositional.
  • oppositional defiant disorder.
  • optic cortex.
  • optic nerve   noun the cranial nerve that serves the retina
  • optic tract   noun the cranial nerve that serves the retina
  • optimal   adj. most desirable possible under a restriction expressed or implied
  • optimization   noun the act of rendering optimal
  • options.
  • optokinetic.
  • opv   noun an oral vaccine (containing live but weakened poliovirus) that is given to provide immunity to poliomyelitis
  • or   noun a room in a hospital equipped for the performance of surgical operations;  a state in northwestern United States on the Pacific
  • orai.
  • orai osteoporosis risk assessment instrument.
  • oral   adj. 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;  of or involving the mouth or mouth region or the surface on which the mouth is located;  using speech rather than writing;  of or relating to or affecting or for use in the mouth;  noun an examination conducted by word of mouth
  • oral contraceptives.
  • oral health in america.
  • oral poliovirus vaccine   noun an oral vaccine (containing live but weakened poliovirus) that is given to provide immunity to poliomyelitis
  • orbit   noun the (usually elliptical) path described by one celestial body in its revolution about another;  the path of an electron around the nucleus of an atom;  an area in which something acts or operates or has power or control: "the range of a supersonic jet";  the bony cavity in the skull containing the eyeball;  a particular environment or walk of life;  verb move in an orbit
  • orbital   adj. of or relating to the eye socket;  of or relating to an orbit
  • orbitopathy.
  • orchitis   noun inflammation of one or both testes; characterized by pain and swelling
  • order   noun the act of putting things in a sequential arrangement; (architecture) one of original three styles of Greek architecture distinguished by the type of column and entablature used or a style developed from the original three by the Romans;  a degree in a continuum of size or quantity;  a commercial document used to request someone to supply something in return for payment and providing specifications and quantities;  a body of rules followed by an assembly;  (often plural) a command given by a superior (e.g., a military or law enforcement officer) that must be obeyed;  a request for food or refreshment (as served in a restaurant or bar etc.); (biology) taxonomic group containing one or more families;  a group of person living under a religious rule;  established customary state (especially of society);  a legally binding command or decision entered on the court record (as if issued by a court or judge);  a formal association of people with similar interests;  logical or comprehensible arrangement of separate elements;  (usually plural) the status or rank or office of a Christian clergyman in an ecclesiastical hierarchy;  a condition of regular or proper arrangement;  verb place in a certain order;  bring order to or into; make a request for something;  give instructions to or direct somebody to do something with authority;  issue commands or orders for;  assign a rank or rating to;  arrange thoughts, ideas, temporal events;  appoint to a clerical posts;  bring into conformity with rules or principles or usage; impose regulations
  • ordering   noun logical or comprehensible arrangement of separate elements;  the act of putting things in a sequential arrangement
  • orders.
  • organ   noun 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;  a fully differentiated structural and functional unit in an animal that is specialized for some particular function;  a periodical that is published by a special interest group;  a government agency or instrument devoted to the performance of some specific function; (music) an electronic simulation of a pipe organ;  a free reed instrument in which air is forced through the reeds by bellows
  • organic   adj. involving or affecting physiology or bodily organs; simple and healthful and close to nature;  relating or belonging to the class of chemical compounds having a carbon basis;  being or relating to or derived from or having properties characteristic of living organisms;  of or relating to foodstuff grown or raised without synthetic fertilizers or pesticides or hormones;  of or relating to or derived from living organisms;  constitutional in the structure of something (especially your physical makeup);  noun a fertilizer that is derived from animal or vegetable matter
  • organismic   adj. of or relating to or belonging to an organism (considered as a whole)
  • organisms.
  • organization   noun the activity or result of distributing or disposing persons or things properly or methodically;  the act of organizing a business or an activity related to a business;  an ordered manner; orderliness by virtue of being methodical and well organized;  a group of people who work together;  the act of forming something;  an organized structure for arranging or classifying;  the persons (or committees or departments etc.) who make up a body for the purpose of administering something
  • organizations.
  • organs   noun edible viscera of a butchered animal
  • orgasm   noun the moment of most intense pleasure in sexual intercourse
  • orgasmic.
  • orientation   noun the act of orienting;  a person's awareness of self with regard to position and time and place and personal relationships;  an integrated set of attitudes and beliefs;  position or alignment relative to points of the compass or other specific directions;  a course introducing a new situation or environment;  a predisposition in favor of something
  • orif.
  • origin   noun properties attributable to your ancestry;  the point of intersection of coordinate axes; where the values of the coordinates are all zero;  an event that is a beginning; a first part or stage of subsequent events;  the descendants of one individual;  the place where something begins, where it springs into being
  • origin trial outcome reduction with initial.
  • originating.
  • orlistat.
  • ornish.
  • oropharyngeal   adj. of or relating to or located near the oropharynx
  • ortho.
  • ortho evra.
  • orthopedic   adj. of or relating to or employed in orthopedics
  • orthopedics   noun the branch of medical science concerned with disorders or deformities of the spine and joints
  • orthopnea   noun form of dyspnea in which the person can breathe comfortably only when standing or sitting erect; associated with asthma and emphysema and angina pectoris
  • orthostatic   adj. pertaining to an upright standing posture
  • ortolani.
  • os   noun a mouth or mouthlike opening;  rigid connective tissue that makes up the skeleton of vertebrates;  the left eye;  (computer science) software that controls the execution of computer programs and may provide various services;  a hard brittle blue grey or blue black metallic element that is one of the platinum metals; the heaviest metal known
  • osa.
  • osas.
  • oseltamivir.
  • oseni.
  • osgood.
  • osgood schlatter.
  • osler.
  • osler weber rendu.
  • osmolal.
  • osmolality.
  • osmostat.
  • osmotic   adj. of or relating to osmosis
  • ossicles.
  • ossification   noun hardened conventionality;  the developmental process of bone formation;  the process of becoming rigidly fixed in a conventional pattern of thought or behavior;  the calcification of soft tissue into a bonelike material
  • osteitis   noun inflammation of a bone as a consequence of infection or trauma or degeneration
  • osteitis deformans   noun a disease of bone occurring in the middle aged and elderly; excessive bone destruction sometimes leading to bone pain and fractures and skeletal deformities
  • osteoarthritis   noun chronic breakdown of cartilage in the joints; the most common form of arthritis occurring usually after middle age
  • osteoarthropathy.
  • osteochondritis.
  • osteochondritis dissecans.
  • osteogenic.
  • osteomalacia   noun abnormal softening of bones caused by deficiencies of phosphorus or calcium or vitamin D
  • osteomyelitis   noun an inflammation of bone and bone marrow (usually caused by bacterial infection)
  • osteonecrosis.
  • osteopathic.
  • osteopathy   noun therapy based on the assumption that restoring health is best accomplished by manipulating the skeleton and muscles
  • osteopenia.
  • osteopetrosis   noun an inherited disorder characterized by an increase in bone density; in severe forms the bone marrow cavity may be obliterated
  • osteoporosis   noun abnormal loss of bony tissue resulting in fragile porous bones attributable to a lack of calcium; most common in postmenopausal women
  • osteoporosis risk assessment instrument.
  • osteoporosis treatment of.
  • osteoporotic.
  • ostiomeatal.
  • otalgia   noun an ache localized in the middle or inner ear
  • other   adj. very unusual; different in character or quality from the normal or expected;  recently past;  not the same one or ones already mentioned or implied;  belonging to the distant past
  • otherwise   adj. other than as supposed or expected;  adv. in other respects or ways;  in another and different manner
  • otitic.
  • otitis   noun inflammation of the ear
  • otitis externa   noun inflammation of the external ear (including auricle and ear canal)
  • otitis media   noun inflammation of the middle ear; common in children
  • otoacoustic.
  • otolith.
  • otorhinolaryngology   noun the medical specialty that deals with diseases of the ear, nose and throat
  • otorrhea   noun discharge from the external ear
  • otosclerosis   noun hereditary disorder in which ossification of the labyrinth of the inner ear causes tinnitus and eventual deafness
  • ottawa   noun the capital of Canada (located in southeastern Ontario across the Ottawa river from Quebec);  a member of the Algonquian people of southern Ontario;  a river in southeastern Canada that flows along the boundary between Quebec and Ontario to the Saint Lawrence River near Montreal
  • outcome   noun something that results;  a phenomenon that follows and is caused by some previous phenomenon
  • outcome reduction with initial glargine.
  • outcomes.
  • outcomes based.
  • outlet   noun activity that frees or expresses creative energy or emotion;  an opening that permits escape or release;  a place of business for retailing goods;  receptacle providing a place in a wiring system where current can be taken to run electrical devices
  • outpatient   noun a patient who does not reside in the hospital where he is being treated
  • outpatient parenteral antimicrobial therapy.
  • output   noun production of a certain amount;  what is produced in a given time period;  the quantity of something (as a commodity) that is created (usually within a given period of time);  final product; the things produced;  signal that comes out of an electronic system;  verbto create or manufacture a specific amount
  • outside   adj. originating or belonging beyond some bounds:"the outside world";  on or toward an outer edge;  leading to or from the outside;  functioning outside the boundaries or precincts of an organized unit;  very unlikely;  relating to or being on or near the outer side or limit;  (of a baseball pitch) on the far side of home plate from the batter;  from or between other countries;  coming from the outside;  located, suited for, or taking place in the open air;  adv.outside a building;  on the outside;  noun the outer side or surface of something;  the region that is outside of something
  • ovarian   adj. of or involving the ovaries
  • ovarian cancer.
  • ovaries.
  • ovary   noun (vertebrates) one of usually two organs that produce ova and secrete estrogen and progesterone;  the organ that bears the ovules of a flower
  • overactive   adj. more active than normal
  • overactive bladder syndrome.
  • overcoming.
  • overdiagnosis.
  • overeating   noun eating to excess (personified as one of the deadly sins)
  • overflow   noun the occurrence of surplus liquid (as water) exceeding the limit or capacity;  a large flow;  verb flow or run over (a limit or brim);  overflow with a certain feeling
  • overflow incontinence   noun urinary incontinence that occurs when the bladder is so full that it continually leaks urine; often attributable to a blocked urethra (e.g., due to prostate enlargement) or weak bladder muscles or nerve damage
  • overload   noun an excessive burden;  an electrical load that exceeds the available electrical power;  verb place too much a load on;  become overloaded;  fill to excess so that function is impaired
  • overt   adj. open and observable; not secret or hidden
  • overtiredness.
  • overuse   noun exploitation to the point of diminishing returns;  verbmake use of too often or too extensively
  • overview   noun a general summary of a subject
  • overwear.
  • overweight   adj. usually describes a large person who is fat but has a large frame to carry it;  noun the property of excessive fatness
  • overwhelmed.
  • ow.
  • own   adj. belonging to or on behalf of a specified person (especially yourself); preceded by a possessive;  verb have ownership or possession of
  • oxalate   noun a salt or ester of oxalic acid
  • oxaprozin   noun a nonsteroidal anti inflammatory drug (trade name Daypro)
  • oxazolidinones.
  • oxidase   noun any of the enzymes that catalyze biological oxidation
  • oxidase a.
  • oxide   noun any compound of oxygen with another element or a radical
  • oximetry.
  • oxybutynin.
  • oxycodone.
  • oxygen   noun 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
  • oxygenation   noun the process of providing or combining or treating with oxygen
  • oxytocin   noun hormone secreted by the posterior pituitary gland (trade name Pitocin); stimulates contractions of the uterus and ejection of milk
  • oxytrol.

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