Anatomy

Blastula

An early non-mammalian embryo that follows the MORULA stage. A blastula resembles a hollow ball with the layer of cells surrounding a fluid-filled cavity (blastocele). The layer of cells is called BLASTODERM.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An early non-mammalian embryo that follows the MORULA stage. A blastula resembles a hollow ball with the layer of cells surrounding a fluid-filled cavity (blastocele). The layer of cells is called BLASTODERM.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

1 entry terms
  • Blastulae

MeSH Record

Aspects Covered

24 allowable subheadings

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

MeSH Record

Indexing Annotation

non-mammalian only; mammalian, use BLASTOCYST

MeSH Record

History Note

2003; use BLASTOCYST 1980-2002

MeSH Record

Previous Indexing

  • Blastocyst (1980-2002)
  • Embryo, Nonmammalian (1975-2002)

MeSH Hierarchy

Tree Number

  1. A16.331.099

AMA Style

References

  1. National Library of Medicine. Blastula. Medical Subject Headings (MeSH). 2026. Unique ID D036703. http://id.nlm.nih.gov/mesh/2026/D036703
  2. Blastula. In: Wikidata. https://www.wikidata.org/wiki/Q420811