bradykinin

[brad-i-kin-in, -kahy-nin]
noun Biochemistry.
a peptide hormone that dilates peripheral blood vessels and increases capillary permeability.

Origin:
1945–50; brady- + -kinin

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World English Dictionary
bradykinin (ˌbrædɪˈkaɪnɪn, ˌbreɪdɪ-)
 
n
a peptide in blood plasma that dilates blood vessels and causes contraction of smooth muscles. Formula: C50H73N15O11
 
[C20: from brady- + Greek kin(ēsis) motion + -in]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

bradykinin brad·y·ki·nin (brād'ĭ-kī'nĭn, -kĭn'ĭn)
n.
A biologically active polypeptide that forms from a blood plasma globulin and mediates the inflammatory response, increases vasodilation, and causes contraction of smooth muscle. Also called kallidin I.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
The damaged tissue releases chemicals including histamine, bradykinin, and serotonin.
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