Germ Layers
Synonyms
Epiblast
Epiblasts
Germ Layer
Hypoblast
Hypoblasts
Layer, Germ
Layers, Germ
The three primary germinal layers (ECTODERM; ENDODERM; and MESODERM) developed during GASTRULATION that provide tissues and body plan of a mature organism. They derive from two early layers, hypoblast and epiblast.