part_of
part of
part of
immediately preceded by
immediately preceded by
life cycle stage
zygote stage
cleavage stage
2 cell stage
two-cell stage
UBERON:0007232
ZFS:0000002
uberon
XAO:1000011
Cleavage:2-cell
XtroDO:0000006
2-cell stage
NF stage 2 (2-cell)