arachidonic acid

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arachidonic acid

[ə¦rak·ə¦dan·ik ′as·əd]
(biochemistry)
C20H32O2 An essential unsaturated fatty acid that is a precursor in the biosynthesis of prostaglandins, thromboxanes, and leukotrienes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.