leukotrienes

leukotriene

[loo-kuh-trahy-een]
noun Biochemistry.
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:
1975–80; leuko- + triene

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World English Dictionary
leukotriene (ˌluːkəʊˈtraɪiːn)
 
n
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
 
[C20: from leukocyte, in which they were discovered + triene from the conjugated triene unit that they contain]

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Medical Dictionary

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
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