Anatomy

Germline Micronucleus

The smaller, reproductive, transcriptionally inert nucleus in the cells of ciliate protozoans, as distinguished from the larger, vegetative, transcriptionally active MACRONUCLEUS. Micronuclei participate in MEIOSIS and autogamy during GENETIC CONJUGATION.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The smaller, reproductive, transcriptionally inert nucleus in the cells of ciliate protozoans, as distinguished from the larger, vegetative, transcriptionally active MACRONUCLEUS. Micronuclei participate in MEIOSIS and autogamy during GENETIC CONJUGATION.

MeSH Record

Classification

Broader headings

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See Also

MeSH Record

Synonyms

5 entry terms
  • Germinal Micronucleus
  • Micronuclei, Germline
  • Micronucleus, Germline
  • Germline Micronuclei
  • Micronucleus, Germinal

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

2005

MeSH Hierarchy

Tree Numbers

  1. A11w.284w.430w.106w.575
  2. A11w.284w.430w.214w.190.875w.117w.575

AMA Style

References

  1. National Library of Medicine. Germline Micronucleus. Medical Subject Headings (MeSH). 2026. Unique ID D048631. http://id.nlm.nih.gov/mesh/2026/D048631
  2. Germline Micronucleus. In: Wikidata. https://www.wikidata.org/wiki/Q12553974