Anatomy

X Chromosome

The female sex chromosome, being the differential sex chromosome carried by half the male gametes and all female gametes in human and other male-heterogametic species.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The female sex chromosome, being the differential sex chromosome carried by half the male gametes and all female gametes in human and other male-heterogametic species.

MeSH Record

Classification

Broader headings

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MeSH Record

Synonyms

3 entry terms
  • Chromosome, X
  • Chromosomes, X
  • X Chromosomes

MeSH Record

Aspects Covered

14 allowable subheadings

Indexed with the subheadings chemistry, classification, drug effects, enzymology, genetics, immunology, metabolism, microbiology, parasitology, pathology, physiology, radiation effects, ultrastructure, virology.

MeSH Record

Indexing Annotation

abnormalities: coordinate IM with SEX CHROMOSOME ABERRATIONS (IM) or specific diseases (IM) + SEX CHROMOSOME ABERRATIONS (NIM); X-lined disease = GENETIC DISEASES, X-LINKED or specifics; X CHROMOSOME, HUMAN is also available

MeSH Record

History Note

84(78); was see under SEX CHROMOSOMES 1968-83

MeSH Record

Previous Indexing

  • Chromosomes (1966-1967)
  • Karyotyping (1967)
  • Sex Chromosomes (1968-1977)

MeSH Hierarchy

Tree Numbers

  1. A11w.284w.187w.865w.982w
  2. G05.360w.162w.865w.982w

MeSH Record

NLM Classification

QU 470

AMA Style

References

  1. National Library of Medicine. X Chromosome. Medical Subject Headings (MeSH). 2026. Unique ID D014960. http://id.nlm.nih.gov/mesh/2026/D014960
  2. X Chromosome. In: Wikipedia. https://en.wikipedia.org/wiki/X_chromosome
  3. X Chromosome. In: Wikidata. https://www.wikidata.org/wiki/Q61333