[loo-kuh-trahy-een] /ˌlu kəˈtraɪ in/

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.
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

leukotriene leu·ko·tri·ene (lōō’kə-trī’ēn’)
Any of a group of physiologically active substances that possibly function as mediators of inflammation and as participants in allergic responses.


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