Named Groups

Monozygotic Twins

Two off-spring from the same PREGNANCY. They are from a single fertilized OVUM that split into two EMBRYOS. Such twins are usually genetically identical and of the same sex.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Two off-spring from the same PREGNANCY. They are from a single fertilized OVUM that split into two EMBRYOS. Such twins are usually genetically identical and of the same sex.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

15 entry terms
  • Twins, Identical
  • Twins, Monozygotic
  • Identical Twin
  • Identical Twins
  • Monozygotic Twin
  • Twin, Identical
  • Twin, Monozygotic
  • Monochorionic Diamniotic Twins
  • Monochorionic Monoamniotic Twins
  • Diamniotic Twin, Monochorionic
  • Monoamniotic Twin, Monochorionic
  • Monochorionic Diamniotic Twin
  • Monochorionic Monoamniotic Twin
  • Twin, Monochorionic Diamniotic
  • Twin, Monochorionic Monoamniotic

MeSH Record

Aspects Covered

7 allowable subheadings

Indexed with the subheadings classification, education, genetics, history, legislation & jurisprudence, psychology, statistics & numerical data.

MeSH Record

Indexing Annotation

TWINNING, MONOZYGOTIC is also available

MeSH Record

History Note

91(75); was see under TWINS 1975-90

MeSH Hierarchy

Tree Number

  1. M01w.438w.873w.940w

AMA Style

References

  1. National Library of Medicine. Monozygotic Twins. Medical Subject Headings (MeSH). 2026. Unique ID D014430. http://id.nlm.nih.gov/mesh/2026/D014430
  2. Monozygotic Twins. In: Wikipedia. https://en.wikipedia.org/wiki/Identical_twins
  3. Monozygotic Twins. In: Wikidata. https://www.wikidata.org/wiki/Q2301325