Vasoactive amine
vasoactive amine n.
A substance containing amino groups, such as histamine or serotonin, that acts on the blood vessels to alter their permeability or to cause vasodilation.
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- Vasoactive intestinal polypeptide
vasoactive intestinal polypeptide n. Abbr. VIP A polypeptide hormone usually secreted by non-beta islet cell tumors of the pancreas, producing copious watery diarrhea and fecal electrolyte loss, resulting in hypokalemia.
- Vasoconstriction
[vas-oh-kuh n-strik-shuh n, vey-zoh-] /ˌvæs oʊ kənˈstrɪk ʃən, ˌveɪ zoʊ-/ noun, Physiology. 1. constriction of the blood vessels, as by the action of a nerve. vasoconstriction va·so·con·stric·tion (vā’zō-kən-strĭk’shən) n. Constriction of a blood vessel, as by a nerve or drug. vasoconstriction (vā’zō-kən-strĭk’shən) Constriction of a blood vessel, as by a nerve or drug.
- Vasoconstrictive
[vas-oh-kuh n-strik-tiv, vey-zoh-] /ˌvæs oʊ kənˈstrɪk tɪv, ˌveɪ zoʊ-/ adjective, Physiology. 1. causing vasoconstriction. vasoconstrictive va·so·con·stric·tive (vā’zō-kən-strĭk’tĭv) adj. Causing constriction of the blood vessels.
- Vasoconstrictor
[vas-oh-kuh n-strik-ter, vey-zoh-] /ˌvæs oʊ kənˈstrɪk tər, ˌveɪ zoʊ-/ noun, Physiology, Pharmacology. 1. a nerve or drug that causes vasoconstriction. vasoconstrictor /ˌveɪzəʊkənˈstrɪktə/ noun 1. a drug, agent, or nerve that causes narrowing (vasoconstriction) of the walls of blood vessels adjective 2. causing vasoconstriction vasoconstrictor va·so·con·stric·tor (vā’zō-kən-strĭk’tər) n. Something, such as a nerve or drug, that […]
- Vasodepression
vasodepression va·so·de·pres·sion (vā’zō-dĭ-prěsh’ən) n. Reduction of tone in blood vessels with vasodilation and resulting lowered blood pressure.