Anatomy

Semen

The thick, yellowish-white, viscid fluid secretion of male reproductive organs discharged upon ejaculation. In addition to reproductive organ secretions, it contains SPERMATOZOA and their nutrient plasma.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The thick, yellowish-white, viscid fluid secretion of male reproductive organs discharged upon ejaculation. In addition to reproductive organ secretions, it contains SPERMATOZOA and their nutrient plasma.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

See Also

MeSH Record

Synonyms

2 entry terms
  • Seminal Plasma
  • Plasma, Seminal

MeSH Record

Aspects Covered

12 allowable subheadings

Indexed with the subheadings chemistry, cytology, diagnostic imaging, drug effects, enzymology, immunology, metabolism, microbiology, parasitology, physiology, radiation effects, virology.

MeSH Record

Indexing Annotation

semen donors: coord SEMEN (IM) + TISSUE DONORS (IM); consider also INSEMINATION, ARTIFICIAL, HOMOLOGOUS (husband) (IM) or INSEMINATION, ARTIFICIAL, HETEROLOGOUS (non-husband) (IM) if pertinent; HEMOSPERMIA is available

MeSH Hierarchy

Tree Number

  1. A12.200.732w

MeSH Record

NLM Classification

WP 95

AMA Style

References

  1. National Library of Medicine. Semen. Medical Subject Headings (MeSH). 2026. Unique ID D012661. http://id.nlm.nih.gov/mesh/2026/D012661
  2. Semen. In: Wikipedia. https://en.wikipedia.org/wiki/Semen
  3. Semen. In: Wikidata. https://www.wikidata.org/wiki/Q9715