Tract
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Tract (medicine)
Tract (pronounced: /trakt/) is a term used in medicine to refer to a major passage or pathway in the body, such as the digestive tract or the respiratory tract.
Etymology
The term 'tract' is derived from the Latin word 'tractus', which means 'drawn out' or 'pulled'. This is in reference to the long, tube-like structure of many tracts in the body.
Related Terms
- Digestive tract: The series of organs in the body that process food, extract nutrients, and expel waste.
- Respiratory tract: The pathway through which air passes into and out of the body, including the nose, mouth, throat, and lungs.
- Urinary tract: The system that produces, stores, and eliminates urine. It includes the kidneys, bladder, ureters, and urethra.
- Nervous tract: A bundle of nerve fibers connecting nuclei of the central nervous system. In the peripheral system it is known as a nerve.
- Vascular tract: The network of blood vessels in the body, including the arteries, veins, and capillaries.
See Also
External links
- Medical encyclopedia article on Tract
- Wikipedia's article - Tract
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