part_of
part of
part of
has part
has part
has_part
surrounded by
surrounded_by
existence starts during
existence ends during
blastoderm cell
morula
http://upload.wikimedia.org/wikipedia/commons/c/c6/Blastulation.png
EHDAA2:0000005
Wikipedia:Morula
SCTID:361474003
FMA:292334
MESH:A16.254.270.550
GAID:1295
NCIT:C34212
morula (2-16 cells)
EHDAA2 has embryo starting later
A spherical embryonic mass of blastomeres formed before the blastula and resulting from cleavage of the fertilized ovum.
UMLS:C0026573
uberon
BTO:0001508
UBERON:0000085
zona pellucida
cleavage stage
embryo
conceptus