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Oceans and Seas MeSH Descriptor Data 2026

MeSH Heading: Oceans and Seas
Tree Number(s): G01.311.625; G16.500.275.725.500.650; Z01.756
Unique ID: D009792
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D009792
Annotation: for specific oceans or seas that are not a main heading, index only under OCEANS AND SEAS and not also under a geographic term
Scope Note: A great expanse of continuous bodies of salt water which together cover more than 70 percent of the earth's surface. Seas may be partially or entirely enclosed by land, and are smaller than the five oceans (Atlantic, Pacific, Indian, Arctic, and Antarctic).
Entry Version: OCEANS SEAS
Entry Term(s): Oceans; Seas; Seas and Oceans
See Also: Seawater
History Note: 87
Date Introduced: 1987/01/01
Last Updated: 2015/06/22

Allowable Qualifiers: epidemiology (EP)

ethnology (EH)

Physical Phenomena [G01]
- Geological Phenomena [G01.311]

Biological Phenomena [G16]
- Ecological and Environmental Phenomena [G16.500]
  - Environment [G16.500.275]
    - Saline Waters [G16.500.275.725]
      - Seawater [G16.500.275.725.500]
        
        Oceans and Seas [G16.500.275.725.500.650]
        
        Aquatic Organisms [G16.500.275.725.500.650.075]

Geographic Locations [Z01]

Oceans and Seas Preferred

Oceans Narrower

Seas Narrower

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