leukotriene

[ loo-kuh-trahy-een ]
/ ˌlu kəˈtraɪ in /

noun Biochemistry.

a lipid, C20H30O3, produced by white blood cells in an immune response to antigens, that contributes to allergic asthma and inflammatory reactions.

Origin of leukotriene

First recorded in 1975–80; leuko- + triene

British Dictionary definitions for leukotriene

leukotriene
/ (ˌluːkəʊˈtraɪiːn) /

noun

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

Medical definitions for leukotriene

leukotriene
[ lōō′kə-trīēn′ ]

n.

Any of a group of physiologically active substances that function both as mediators of inflammation and as participants in allergic responses.