Anatomy

Chick Embryo

The developmental entity of a fertilized chicken egg (ZYGOTE). The developmental process begins about 24 h before the egg is laid at the BLASTODISC, a small whitish spot on the surface of the EGG YOLK. After 21 days of incubation, the embryo is fully developed before hatching.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The developmental entity of a fertilized chicken egg (ZYGOTE). The developmental process begins about 24 h before the egg is laid at the BLASTODISC, a small whitish spot on the surface of the EGG YOLK. After 21 days of incubation, the embryo is fully developed before hatching.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

3 entry terms
  • Embryo, Chick
  • Chick Embryos
  • Embryos, Chick

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

check tag: NIM no qualifiers; chick embryo heart = CHICK EMBRYO + HEART /embryol (not FETAL HEART); transfer of chick embryo = CHICK EMBRYO /transpl not EMBRYO TRANSFER

MeSH Record

History Note

64

MeSH Hierarchy

Tree Numbers

  1. A13.350.150
  2. A16.331.200

AMA Style

References

  1. National Library of Medicine. Chick Embryo. Medical Subject Headings (MeSH). 2026. Unique ID D002642. http://id.nlm.nih.gov/mesh/2026/D002642
  2. Chick Embryo. In: Wikidata. https://www.wikidata.org/wiki/Q70071341