Constrictor
Constrictor
Constrictor (/kənˈstrɪktər/), from the Latin constringere, meaning "to bind together", is a term used in various fields of medicine. It generally refers to a muscle that narrows or constricts a passage or tube in the body, or to a type of snake that kills its prey by constriction.
Anatomy
In anatomy, a constrictor is a muscle which serves to constrict a passage or cavity. Examples include the pyloric constrictor muscle of the stomach, the constrictor muscle of pupil, and the three pharyngeal constrictor muscles of the throat.
Zoology
In zoology, a constrictor refers to a type of snake that kills its prey by coiling around it and squeezing until it suffocates. Examples include the Boa constrictor and the Python.
Related Terms
- Constriction: The action of constricting; the condition of being constricted.
- Vasoconstriction: The constriction of blood vessels, which increases blood pressure.
- Bronchoconstriction: The constriction of the airways in the lungs due to the tightening of surrounding smooth muscle.
- Myoconstrictor: A substance that causes constriction of the muscles.
External links
- Medical encyclopedia article on Constrictor
- Wikipedia's article - Constrictor
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