part of part of in taxon develops from develops from Eumetazoa embryo germ layer EMAPA:36033 germinal layer embryonic germ layer 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 embryonic germ layers FMA:69069 embryonic tissue Wikipedia:Germ_layer TAO:0001122 NCIT:C54105 NCIT:C12950 Classically the germ layers are ectoderm, mesoderm and endoderm. Alternatively: primary = ectoderm, endoderm; secondary=mesoderm; tertiary=dorsal mesoderm, NC[https://github.com/obophenotype/uberon/wiki/The-neural-crest] UBERON:0000923 VHOG:0001223 GAID:1303 BTO:0000556 AAO:0000480 ZFA:0001122 BILA:0000035 primary germ layer epiblast (generic) germ layer / neural crest