only in taxon only_in_taxon Eumetazoa germ layer EMAPA:36033 germinal layer uberon MESH:D005855 A layer of cells produced during the process of gastrulation during the early development of the animal embryo, which is distinct from other such layers of cells, as an early step of cell differentiation. The three types of germ layers are the endoderm, ectoderm, and mesoderm. XAO:0003011 FMA:69069 Wikipedia:Germ_layer BTO:0000556 AAO:0000480 ZFA:0001122 TAO:0001122 NCIT:C54105 NCIT:C12950 BILA:0000035 UMLS:C1708239 UMLS:C0920502 UBERON:0000923 GAID:1303 VHOG:0001223 germ layer / neural crest