Anatomy

Chromatids

Either of the two longitudinally adjacent threads formed when a eukaryotic chromosome replicates prior to mitosis. The chromatids are held together at the centromere. Sister chromatids are derived from the same chromosome. (Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed)

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Either of the two longitudinally adjacent threads formed when a eukaryotic chromosome replicates prior to mitosis. The chromatids are held together at the centromere. Sister chromatids are derived from the same chromosome. (Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed)

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Classification

Broader headings

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See Also

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Synonyms

1 entry terms
  • Chromatid

MeSH Record

Aspects Covered

15 allowable subheadings

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

MeSH Record

History Note

68

MeSH Record

Previous Indexing

  • Chromosomes (1966-1967)

MeSH Hierarchy

Tree Numbers

  1. A11w.284w.430w.106w.279.345.190w.160.175w
  2. G05.360w.160.175w

AMA Style

References

  1. National Library of Medicine. Chromatids. Medical Subject Headings (MeSH). 2026. Unique ID D002842. http://id.nlm.nih.gov/mesh/2026/D002842
  2. Chromatids. In: Wikipedia. https://en.wikipedia.org/wiki/Chromatid
  3. Chromatids. In: Wikidata. https://www.wikidata.org/wiki/Q623749