arachidonic acid

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ar·a·chi·don·ic acid

An unsaturated fatty acid, C20H32O2, 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.

[From arachidic, of the groundnut, from New Latin Arachis, groundnut genus, from Greek arakis, arakid-, diminutive of arakos, a leguminous plant.]

arachidonic acid

(Biochemistry) a fatty acid occurring in animal cells: the metabolic precursor of several groups of biologically active substances, including prostaglandins
References in periodicals archive ?
The mRNA and hormone levels of arachidonate acid pathways were studied via quantitative reverse transcription PCR (qRT-PCR) and ELISA.
Arachidonate acid (ARA) metabolites are important lipid mediators regulating inflammation, analgesia, angiogenesis and cell proliferation [Bogatcheva et al.
The anti-inflammatory effects of n-3 PUFAs include inhibiting the conversion of arachidonate acids to the proinflammatory lipid intermediates, interrupting the NF-[kappa]B signaling pathway, and activating the AMP-activated protein kinase, inducing the synthesis of anti-inflammatory lipid mediators like resolvins and protectins [40].