Arachidonic Acid Definition
ărə-kĭ-dŏnĭk
noun
An unsaturated fatty acid, C20 H32 O2 , found in animal fats, that is essential in human nutrition and is a precursor in the biosynthesis of some prostaglandins.
American Heritage
An unsaturated fatty acid, C20 H32 O2 , present in animal fats and synthesized by the body from linoleic acid, that is essential in human nutrition and is a precursor in the biosynthesis of some prostaglandins.
American Heritage Medicine
(organic chemistry) A long-chain polyunsaturated fatty acid, having 20 carbon atoms and four double bonds, found in animal fats; it is essential for human nutrition, being a precursor to the production of prostaglandins.
Wiktionary
Origin of Arachidonic Acid
From arachidic of the groundnut from New Latin Arachis groundnut genus from Greek arakis arakid- diminutive of arakos a leguminous plant
From American Heritage Dictionary of the English Language, 5th Edition
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