any of a group of hormones, formed in body tissues, that cause dilation of blood vessels and influence capillary permeability.
Origin of kinin
a combining form used in the names of hormones, especially peptide hormones: bradykinin; cytokinin.
Origin of -kinin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Word Origin for kinin
C20: from Greek kin (ēma) motion + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Any of various polypeptides, such as bradykinin, that act locally to induce vasodilation and contraction of smooth muscle.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.