arachidonic acid

(= 5,8,11,14 eicosatetraenoic acid) An essential dietary component for mammals. The free acid is the precursor for biosynthesis of the signalling molecules prostaglandins, thromboxanes, hydroxyeicosatetraenoic acid derivatives including leukotrienes and is thus of great biological significance. Within cells the acid is found in the esterified form as a major acyl component of membrane phospholipids (especially phosphatidyl inositol) and its relea … ...

arachidonic acid

<biochemistry> An essential dietary component for mammals. The free acid is the precursor for biosynthesis of prostaglandins, thromboxanes, hydroxyeicosatetraenoic acid derivatives including leucotrienes and is thus of great biological significance. ... Within cells the acid is found in the esterified form as a major acyl component of membran...
Found on http://www.encyclo.co.uk/local/20973

arachidonic acid

(ә-rak″ĭ-don´ik) a polyunsaturated, essential fatty acid found in animal fats and formed by biosynthesis from linoleic acid.
Found on http://www.encyclo.co.uk/local/21001

arachidonic acid

(from the article `drug`) ...are prostanoids. Prostanoids (e.g., prostaglandins) and leukotrienes (a related group of lipids) are derived by enzymatic synthesis from one of ... The prostaglandins are made up of unsaturated fatty acids that contain a cyclopentane (5-carbon) ring and are derived from the 20-carbon, ... Many animals req...
Found on http://www.britannica.com/eb/a-z/a/93

arachidonic acid

arachidonic acid 1. In biochemistry, an unsaturated acid, obtained from lecithin; a fatty acid essential for growth of mammals, but which can be synthesized from linoleic acid; from Arachis, a generic name for the peanut. 2. Arachidonic acid is found only in animal fats, as in egg yolk and liver. 3. Coined from the modern Latin stem arachid-, 'pean...
Found on http://www.wordinfo.info/words/index/info/view_unit/173/

arachidonic acid

Type: Term Pronunciation: ă-rak-i-don′ik as′id Definitions: 1. An unsaturated fatty acid, usually essential in nutrition; the biologic precursor of the prostaglandins, the thromboxanes, and the leukotrienes (collectively known as eicosanoids).
Found on http://www.medilexicon.com/medicaldictionary.php?t=5875

Arachidonic Acid

An omega-6 fatty acid that is essential for human nutrition. The acid can be found in found in fatty red meats, egg yolks, peanut oil and organ meats. The acid is present abundantly in the amniotic fluid during fetal development.
Found on http://www.pregnology.com/AZ/A/8

ARACHIDONIC ACID

An essential fatty acid found in animal fats; a precursor in the biosynthesis of compounds such as the prostaglandins.
Found on http://www.thehorse.com/Glossary.xhtml?L=A

Arachidonic acid

Arachidonic acid (AA, sometimes ARA) is a polyunsaturated omega-6 fatty acid 20:4(ω-6). It is the counterpart to the saturated arachidic acid found in peanut oil, (L. arachis – peanut.) ==Chemistry== In chemical structure, arachidonic acid is a carboxylic acid with a 20-carbon chain and four cis-double bonds; the first double bond is located at...
Found on http://en.wikipedia.org/wiki/Arachidonic_acid
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