embryo stage OGES:000000 OGES:000022 FBdv:00005289 SCTID:296280003 embryogenesis WBls:0000102 WBls:0000003 HsapDv:0000002 EV:0300001 BilaDO:0000002 FMA:72652 MmusDv:0000002 XAO:1000012 uberon UBERON:0000068 embryonic stage A life cycle stage that starts with fertilization and ends with the fully formed embryo. WBls:0000092 life cycle stage