Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

Eicosapentaenoic Acid MeSH Descriptor Data 2025


MeSH Heading
Eicosapentaenoic Acid
Tree Number(s)
D10.212.302.380.410.385
D10.251.355.255.200
D10.251.355.337.290
D10.627.430.450.390
Unique ID
D015118
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D015118
Scope Note
Important polyunsaturated fatty acid found in fish oils. It serves as the precursor for the prostaglandin-3 and thromboxane-3 families. A diet rich in eicosapentaenoic acid lowers serum lipid concentration, reduces incidence of cardiovascular disorders, prevents platelet aggregation, and inhibits arachidonic acid conversion into the thromboxane-2 and prostaglandin-2 families.
Entry Term(s)
5,8,11,14,17-Eicosapentaenoic Acid
5,8,11,14,17-Icosapentaenoic Acid
Eicosapentanoic Acid
Icosapent
Timnodonic Acid
omega-3-Eicosapentaenoic Acid
Registry Numbers
AAN7QOV9EA
Related Numbers
1553-41-9
CAS Type 1 Name
5,8,11,14,17-Eicosapentaenoic acid
Previous Indexing
Fatty Acids (1966-1972)
Fatty Acids, Unsaturated (1973-1985)
Public MeSH Note
1986; see 5,8,11,14,17-EICOSAPENTAENOIC ACID 1986-2003; EICOSAPENTANOIC ACID was indexed under FATTY ACIDS, UNSATURATED 2002-2010
History Note
2003(1986);
Date Established
1986/01/01
Date of Entry
1985/06/05
Revision Date
2020/06/22
Eicosapentaenoic Acid Preferred
page delivered in 0.152s