Kinin definitions

kī'nĭn
Any of various structurally related polypeptides, such as bradykinin, that act locally to induce vasodilation and contraction of smooth muscle.
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A powerful, short-lived peptide that lowers blood pressure, increases vascular permeability, dilates blood vessels, causes smooth muscle to contract, and triggers pain.
noun
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Any of various structurally related polypeptides, such as bradykinin, that act locally to induce vasodilation and contraction of smooth muscle.
noun
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(biochemistry) Any of various structurally related polypeptides of the autacoid family, such as bradykinin and kallikrein, that act locally to induce vasodilation and contraction of smooth muscle.
noun
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Origin of kinin

Short for bradykinin