[ loo-kuh-trahy-een ]
/ ˌlu kəˈtraɪ in /
a lipid, C20H30O3, produced by white blood cells in an immune response to antigens, that contributes to allergic asthma and inflammatory reactions.
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Words nearby leukotriene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for leukotriene
/ (ˌluːkəʊˈtraɪiːn) /
one of a class of products of metabolic conversion of arachidonic acid; the active constituents of slow-reacting substance, responsible for bronchial constriction, contraction of smooth muscle, and inflammatory processes
Word Origin for leukotriene
C20: from leukocyte, in which they were discovered + triene from the conjugated triene unit that they contain
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
Medical definitions for leukotriene
[ lōō′kə-trī′ēn′ ]
Any of a group of physiologically active substances that function both as mediators of inflammation and as participants in allergic responses.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.