Constriction
Constriction
Constriction (/kənˈstrɪkʃən/) is a medical term that refers to the narrowing or tightening of a passage or opening in the body. It can occur in various parts of the body, such as the blood vessels, airways, or digestive tract, and can be caused by various factors, including inflammation, injury, or disease.
Etymology
The term "constriction" is derived from the Latin word "constrictio", which means "to draw together" or "to bind". It has been used in the English language since the 15th century.
Related Terms
- Vasoconstriction: The narrowing of the blood vessels resulting from contraction of the muscular wall of the vessels.
- Bronchoconstriction: The narrowing of the airways in the lungs due to the tightening of surrounding smooth muscle.
- Pyloric stenosis: A condition in which the opening between the stomach and small intestine narrows.
- Stricture: An abnormal narrowing of a canal or duct in the body.
- Stenosis: The abnormal narrowing of a passage or opening in the body.
See Also
- Dilation: The opposite of constriction, referring to the widening or expansion of a passage or opening in the body.
- Vasodilation: The widening of blood vessels.
- Bronchodilation: The widening of the airways in the lungs.
External links
- Medical encyclopedia article on Constriction
- Wikipedia's article - Constriction
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