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leukotriene

[loo-kuh-trahy-een] /ˌlu kəˈtraɪ in/
noun, Biochemistry
1.
a lipid, C 20 H 30 O 3 , produced by white blood cells in an immune response to antigens, that contributes to allergic asthma and inflammatory reactions.
Origin
1975-1980
1975-80; leuko- + triene
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for leukotriene
  • leukotriene inhibitors are medicines that specifically block the substances that trigger allergies.
British Dictionary definitions for leukotriene

leukotriene

/ˌluːkəʊˈtraɪiːn/
noun
1.
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
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
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leukotriene in Medicine

leukotriene leu·ko·tri·ene (lōō'kə-trī'ēn')
n.
Any of a group of physiologically active substances that possibly function 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.
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Word Value for leukotriene

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