]> gastrula stage SscrDv:0000090 SsalDv:0000016 WBls:0000010 OGES:000019 BilaDO:0000008 EFO:0001296 ChirDv:0000011 MmusDv:0000013 GgalDv:0000092 OGES:000004 FBdv:00005317 BILS:0000109 ZFS:0000047 XAO:1000005 RnorDv:0000005 HsapDv:0000010 OariDv:0000026 uberon trilaminar disk stage trilaminar germ stage trilaminar stage blastocystis trilaminaris stage trilaminar blastocyst stage trilaminar blastoderm stage UBERON:0000109 A stage defined by complex and coordinated series of cellular movements that occurs at the end of cleavage during embryonic development of most animals. The details of gastrulation vary from species to species, but usually result in the formation of the three primary germ layers, ectoderm, mesoderm and endoderm. gastrula stage in taxon occurrent Eumetazoa embryo stage part embryo stage life cycle stage blastula stage preceded_by preceded by preceded by part_of part of part of gastrulation simultaneous with simultaneous with simultaneous_with