Anatomy

Nucleosomes

The repeating structural units of chromatin, each consisting of approximately 200 base pairs of DNA wound around a protein core. This core is composed of the histones H2A, H2B, H3, and H4.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The repeating structural units of chromatin, each consisting of approximately 200 base pairs of DNA wound around a protein core. This core is composed of the histones H2A, H2B, H3, and H4.

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

MeSH Record

See Also

MeSH Record

Synonyms

5 entry terms
  • Nucleosome
  • Dinucleosomes
  • Polynucleosomes
  • Dinucleosome
  • Polynucleosome

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

80

MeSH Record

Previous Indexing

  • Cell Nucleus (1966-1979)
  • Chromatin (1972-1979)

MeSH Hierarchy

Tree Numbers

  1. A11w.284w.430w.106w.279.345.190w.160.180w.625w
  2. D12.776w.664w.224w.550w
  3. G05.360w.160.180w.625w

MeSH Record

NLM Classification

QU 56

AMA Style

References

  1. National Library of Medicine. Nucleosomes. Medical Subject Headings (MeSH). 2026. Unique ID D009707. http://id.nlm.nih.gov/mesh/2026/D009707
  2. Nucleosomes. In: Wikipedia. https://en.wikipedia.org/wiki/Nucleosome
  3. Nucleosomes. In: Wikidata. https://www.wikidata.org/wiki/Q271794