develops from
ends during
starts during
Xenopus anatomical entity
zygote
embryo
Anatomical entity that comprises the animal in the early stages of growth and differentiation that are characterized by cleavage, the laying down of fundamental tissues, and the formation of primitive organs and organ systems.
UBERON:0000922
XAO:0000113
xenopus_anatomy
NF stage 1
NF stage 44