Question:
The embryonic disk is made of the animal O trophoblast
Last updated: 5/17/2023
The embryonic disk is made of the animal O trophoblast hypoblast diploblast Otrophoblast inner cell mass epiblast epiblast hypoblast triploblast hyooblast epihlast triploblast and the the latter give rise to the three germ layers to form a an