Chemicals and Drugs

Omega-3 Fatty Acids

A group of unsaturated fatty acids occurring mainly in fish oils, with three double bonds at particular positions in the hydrocarbon chain.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A group of unsaturated fatty acids occurring mainly in fish oils, with three double bonds at particular positions in the hydrocarbon chain.

MeSH Record

Classification

Related Concepts

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MeSH Record

Synonyms

30 entry terms
  • Fatty Acids, Omega-3
  • N-3 Fatty Acid
  • Omega 3 Fatty Acids
  • Omega-3 Fatty Acid
  • n-3 Fatty Acids
  • n-3 Oil
  • n-3 Oils
  • n-3 PUFA
  • n-3 Polyunsaturated Fatty Acid
  • n3 Fatty Acid
  • n3 Oil
  • n3 Oils
  • n3 PUFA
  • n3 Polyunsaturated Fatty Acid
  • Acid, N-3 Fatty
  • Acid, Omega-3 Fatty
  • Fatty Acid, N-3
  • Fatty Acid, Omega-3
  • Fatty Acid, n3
  • N 3 Fatty Acid
  • Oil, n-3
  • Oil, n3
  • Omega 3 Fatty Acid
  • PUFA, n-3
  • PUFA, n3
  • n 3 Fatty Acids
  • n 3 Oil
  • n 3 Oils
  • n 3 PUFA
  • n 3 Polyunsaturated Fatty Acid

MeSH Record

Aspects Covered

28 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analysis, antagonists & inhibitors, biosynthesis, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, deficiency, economics, genetics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Record

Indexing Annotation

specify source if pertinent

MeSH Record

History Note

1990; for n-3 POLYUNSATURATED FATTY ACID use PIKASOL (NM) 2000-2005

MeSH Record

Previous Indexing

  • Fatty Acids (1966-1972)
  • Fatty Acids, Unsaturated (1973-1989)
  • Fish Oils (1966-1989)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Omega-3 Fatty Acids. Medical Subject Headings (MeSH). 2026. Unique ID D015525. http://id.nlm.nih.gov/mesh/2026/D015525
  2. Omega-3 Fatty Acids. In: Wikipedia. https://en.wikipedia.org/wiki/Omega%E2%88%923_fatty_acid
  3. Omega-3 Fatty Acids. In: Wikidata. https://www.wikidata.org/wiki/Q191756