Phenomena and Processes

Pachytene Stage

The stage in the first meiotic prophase, following ZYGOTENE STAGE, when CROSSING OVER between homologous CHROMOSOMES begins.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The stage in the first meiotic prophase, following ZYGOTENE STAGE, when CROSSING OVER between homologous CHROMOSOMES begins.

MeSH Record

Classification

Broader headings

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MeSH Record

See Also

MeSH Record

Synonyms

5 entry terms
  • Pachynema
  • Pachynemas
  • Pachytene Stages
  • Stage, Pachytene
  • Stages, Pachytene

MeSH Record

Aspects Covered

5 allowable subheadings

Indexed with the subheadings drug effects, genetics, immunology, physiology, radiation effects.

MeSH Record

History Note

2005

MeSH Hierarchy

Tree Numbers

  1. G04.144w.220w.220.687w.883w.750w
  2. G04.144w.220w.220.781w.906w.750w
  3. G05.113w.220.687w.883w.750w
  4. G05.113w.220.781w.906w.750w

AMA Style

References

  1. National Library of Medicine. Pachytene Stage. Medical Subject Headings (MeSH). 2026. Unique ID D049471. http://id.nlm.nih.gov/mesh/2026/D049471
  2. Pachytene Stage. In: Wikipedia. https://en.wikipedia.org/wiki/Pachytene
  3. Pachytene Stage. In: Wikidata. https://www.wikidata.org/wiki/Q10344426