In human embryos, the extraembryonic membrane | vedclass

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Question

(B) In human development, the blastocyst consists of an outer layer of cells called the $Trophoblast$ and an inner group of cells called the $Inner

Vedclass · Accepted Answer

Trophoblast

Vedclass · Answer

(B) In human development, the blastocyst consists of an outer layer of cells called the $Trophoblast$ and an inner group of cells called the $Inner 	ext{ } cell 	ext{ } mass$. The $Trophoblast$ layer is responsible for forming the extraembryonic membranes, such as the chorion and amnion, which facilitate the connection between the developing embryo and the maternal uterine wall (placenta formation). The $Inner 	ext{ } cell 	ext{ } mass$ gives rise to the embryo proper. Therefore, the correct answer is $Trophoblast$.

In human embryos, the extraembryonic membranes are derived from which of the following?

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