Anatomy

Mammalian Embryo

The entity of a developing mammal (MAMMALS), generally from the cleavage of a ZYGOTE to the end of embryonic differentiation of basic structures. For the human embryo, this represents the first two months of intrauterine development preceding the stages of the FETUS.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The entity of a developing mammal (MAMMALS), generally from the cleavage of a ZYGOTE to the end of embryonic differentiation of basic structures. For the human embryo, this represents the first two months of intrauterine development preceding the stages of the FETUS.

MeSH Record

Classification

Broader headings

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MeSH Record

See Also

MeSH Record

Synonyms

15 entry terms
  • Embryo, Mammalian
  • Embryos, Mammalian
  • Mammalian Embryos
  • Embryonic Structures, Mammalian
  • Mammalian Embryo Structures
  • Mammalian Embryonic Structures
  • Embryo Structure, Mammalian
  • Embryo Structures, Mammalian
  • Embryonic Structure, Mammalian
  • Mammalian Embryo Structure
  • Mammalian Embryonic Structure
  • Structure, Mammalian Embryo
  • Structure, Mammalian Embryonic
  • Structures, Mammalian Embryo
  • Structures, Mammalian Embryonic

MeSH Record

Aspects Covered

21 allowable subheadings

Indexed with the subheadings abnormalities, anatomy & histology, blood supply, chemistry, cytology, diagnostic imaging, drug effects, embryology, enzymology, immunology, innervation, metabolism, microbiology, parasitology, pathology, physiology, physiopathology, radiation effects, surgery, ultrastructure, virology.

MeSH Record

Indexing Annotation

human: 0-2 months; use for mammalian embryo as an entity or as tissue; use the qualifier / embryol with an organ for embryologic aspects of that organ; embryonic tissue or cells in tissue & cell cultures: coordinate EMBRYO, MAMMALIAN + tissues or cell without qualifiers (not with / embryol) + culture term, all probably NIM; EMBRYO, NONMAMMALIAN is also available

MeSH Record

History Note

2008 (1963)

MeSH Hierarchy

Tree Number

  1. A16.254

AMA Style

References

  1. National Library of Medicine. Mammalian Embryo. Medical Subject Headings (MeSH). 2026. Unique ID D004622. http://id.nlm.nih.gov/mesh/2026/D004622
  2. Mammalian Embryo. In: Wikidata. https://www.wikidata.org/wiki/Q105241756