The outer of the two layers of the blastoderm that form during gastrulation, corresponding to primitive ectoderm during gastrulation and to the definitive ectoderm after gastrulation.

Local Unique Identifier

0000243

Synonym

primitive ectoderm (RELATED)

Relation BFO:0000050 part of

• hog:0000742
• hog:0001202

Xref Teleost Anatomy Ontology

tao:0000018