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Vasitis

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• Vaso-

  1. a combining form meaning “vessel,” used in the formation of compound words: vasoconstrictor. combining form 1. indicating a blood vessel: vasodilator 2. indicating the vas deferens: vasectomy vaso- or vas- pref. Blood vessel: vasoconstriction. Vas deferens: vasectomy. Vessel: vasiform.

• Vasoactive

  adjective, Physiology, Pharmacology. 1. of or relating to a substance, drug, or event that changes the diameter of a blood vessel. adjective 1. affecting the diameter of blood vessels: vasoactive peptides vasoactive va·so·ac·tive (vā’zō-āk’tĭv) adj. Causing constriction or dilation of blood vessels.

• 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.

• 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.

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