At the end of week 2 of development (day 14), what is the composition of the embryonic disk?
Correct Answer: Epiblast and hypoblast
Description: The embryoblast consists of the two distinct cell layers (epiblast and hypoblast) at the end of development week 2 (day 14) and forms the bilaminar embryonic disk. Second week is called week of 2 - 2 cavities- amniotic cavity and yolk sac cavity 2 type of embryoblast - Epiblast and hypoblast 2 type of trophoblast - Cytotrophoblast and Syncytial trophoblast Gastrulation - formation of 3 germ layers in week 3
Category:
Anatomy
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