]> blastocyst Gilbert fig11.32 has blastocyst has giving rise to ICM and trophoblast (which in this source is a synonym for trophectoderm) Wikipedia:Blastocyst UMLS:C1281743 EFO:0000295 SCTID:308837009 FMA:83041 MESH:D001755 GAID:1153 NCIT:C13739 BTO:0001099 CALOHA:TS-0076 EV:0100394 EMAPA:36035 blastocystis blastula UBERON:0000358 The mammalian blastocyst is a hollow ball of cells containing two cell types, the inner cell mass and the trophectoderm[GO]. https://upload.wikimedia.org/wikipedia/commons/7/72/Blastocyst_English.svg in taxon develops_from develops from develops from has part has part has_part Theria <mammals> Theria <Mammalia> morula inner cell mass trophoblast blastula stage blastula embryonic structure existence starts and ends during part_of part of part of