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arachidonic acid

Pronunciation: ă-rak-i-don′ik as′id

Definition: An unsaturated fatty acid, usually essential in nutrition; the biologic precursor of the prostaglandins, the thromboxanes, and the leukotrienes (collectively known as eicosanoids).

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.