Diseases

Trisomy

The possession of a third chromosome of any one type in an otherwise diploid cell.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The possession of a third chromosome of any one type in an otherwise diploid cell.

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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MeSH Record

See Also

MeSH Record

Synonyms

7 entry terms
  • Chromosomal Triplication
  • Chromosomal Triplications
  • Trisomies
  • Partial Trisomy
  • Partial Trisomies
  • Trisomies, Partial
  • Trisomy, Partial

MeSH Record

Aspects Covered

5 allowable subheadings

Indexed with the subheadings diagnosis, genetics, immunology, pathology, physiopathology.

MeSH Record

Indexing Annotation

coordinate IM with specific chromosome number (IM); TRISOMY 21 see DOWN SYNDROME is also available

MeSH Record

History Note

64(63)

MeSH Hierarchy

Tree Numbers

  1. C23.550.210w.050w.750w
  2. C23.550.210w.182.500w
  3. G05.365w.590w.175w.050w.750w
  4. G05.365w.590w.175w.183.500w
  5. G05.700w.131w.750w

AMA Style

References

  1. National Library of Medicine. Trisomy. Medical Subject Headings (MeSH). 2026. Unique ID D014314. http://id.nlm.nih.gov/mesh/2026/D014314
  2. Trisomy. In: Wikipedia. https://en.wikipedia.org/wiki/Trisomy
  3. Trisomy. In: Wikidata. https://www.wikidata.org/wiki/Q844903