arachidonic acid

American  

[ar-uh-ki-don-ik, ar-] / ˈær ə kɪˈdɒn ɪk, ˌær- /

noun

Biochemistry.

1. an essential fatty acid, C 20 H 32 O 2 , found in the lipids of most tissues, that is a precursor in the synthesis of prostaglandins, prostacyclins, and related effectors.

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arachidonic acid British  

/ ˌærəkəˈdɒnɪk /

noun

1. a fatty acid occurring in animal cells: the metabolic precursor of several groups of biologically active substances, including prostaglandins

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Etymology

Origin of arachidonic acid

First recorded in 1910–15; arachid(ic) + -onic

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Example Sentences

See Examples For:

arachidonic acid

The researchers confirmed that the compound's ability to reduce inflammation, slow abnormal cell proliferation, and encourage apoptosis depended on its influence over ACOT1, the arachidonic acid pathway, and the downstream JAK-STAT/PI3K-AKT signaling pathways.

From Science Daily ● Oct. 22, 2026

"Nestle has undertaken testing of all arachidonic acid oil and corresponding oil mixes used in the production of potentially impacted infant nutrition products," it said on its website.

From Barron's ● Jan. 5, 2026

Most of them were lipids, including arachidonic acid and other complex lipids containing either an arachidonic or a linoleic fatty acid side chain, the study specified.

From Salon ● May 2, 2024

Conversely, lower levels of arachidonic acid led to a higher risk of bipolar disorder.

From Salon ● May 2, 2024

Given its presence in human milk, arachidonic acid is considered essential for infant brain development and is added to infant formula in many countries.

From Science Daily ● Apr. 30, 2024

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