leukotriene /leu·ko·tri·ene/ (-tri´ēn) any of a group of biologically active compounds derived from arachidonic acid that function as regulators of allergic and inflammatory reactions. They are identified by the letters A, B, C, D, and E, with subscript numerals indicating the number of double bonds in each molecule.
leu·ko·tri·ene (l  k -tr   n)n. Any of a group of physiologically active substances that possibly function as mediators of inflammation and as participants in allergic responses. |
leukotriene
substance formed from arachidonic acid which participates in inflammatory reactions, probably as leukotoxin. May act as a slow-reacting substance in anaphylaxis.
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