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nountight or narrow compression
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"he felt a constriction in her chest" "emotion caused a constriction of his throat"nouna tight feeling in some part of the body
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nouna narrowing that reduces the flow through a channel
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nounthe action or process of compressingtype of:
Definition that contains constriction
- open without undue constriction as from e.g. tenseness or inhibition
- spasm (pathology) sudden constriction of a hollow organ (as a blood vessel)
- budding reproduction of some unicellular organisms (such as yeasts) by growth and specialization followed by the separation by constriction of a part of the parent
- strangulation (pathology) constriction of a body part so as to cut off the flow of blood or other fluid
- venturi a tube with a constriction; used to control fluid flow (as in the air inlet of a carburetor)
- coarctation (biology) a narrowing or constriction of a vessel or canal; especially a congenital narrowing of the aorta
- ischemia local anemia in a given body part sometimes resulting from vasoconstriction or thrombosis or embolism
- disjunct having deep constrictions separating head, thorax, and abdomen, as in insects
- ergotamine an alkaloid derived from ergot that is less toxic than ergot; causes constriction of blood vessels and is used to treat migraine
- alpha-adrenoceptor receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasoconstriction and relaxation of intestinal muscles and contraction of smooth muscles)