Arachidonic Acid

**Semantic type:** Organic Chemical

**Definition:** An unsaturated, essential fatty acid. It is found in animal and human fat as well as in the liver, brain, and glandular organs, and is a constituent of animal phosphatides. It is formed by the synthesis from dietary linoleic acid and is a precursor in the biosynthesis of prostaglandins, thromboxanes, and leukotrienes.(ChemID Plus)

**Synonyms:** - (all-Z)-5,8,11,14-Eicosatetraenoic Acid - ARACHIDONIC ACID - All-cis-icosa-5,8,11,14-tetraenoic acid - Arachidonate - Fatty Acid 20:4 n-6