Duct (anatomy)
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Duct (anatomy)
Duct (pronunciation: /dʌkt/) is a term used in Anatomy to describe a tube, channel, or passage that carries fluids from one part of the body to another.
Etymology
The term "duct" comes from the Latin word "ductus" which means "leading". The term was first used in the anatomical context in the 17th century.
Types of Ducts
There are several types of ducts in the human body, including:
- Bile duct: A series of thin tubes that go from the liver to the small intestine. The main function of the bile duct is to carry bile from the liver and gallbladder to the small intestine.
- Lactiferous duct: These are the ducts in the breasts that carry milk from the mammary glands to the nipple.
- Ejaculatory duct: These are part of the male reproductive system. They carry sperm and fluids from the seminal vesicles to the urethra.
- Pancreatic duct: This duct carries digestive enzymes and bicarbonate from the pancreas to the small intestine.
- Tear duct: This duct carries tears from the eye to the nose.
Related Terms
- Anatomy: The study of the structure of organisms and their parts.
- Bile: A dark green to yellowish brown fluid, produced by the liver, that aids in the digestion and absorption of fats.
- Mammary gland: The milk-producing gland in female mammals.
- Seminal vesicle: A pair of simple tubular glands posteroinferior to the urinary bladder of male mammals.
- Pancreas: A glandular organ in the digestive system and endocrine system of vertebrates.
See Also
External links
- Medical encyclopedia article on Duct (anatomy)
- Wikipedia's article - Duct (anatomy)
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