The trophoblast implants into the endometrial lining of the mother's uterus and becomes the ________ membrane.
A)chorionic
B)amnionic
C)umbilical
D)placental

Question

Quizplus · Accepted Answer

The trophoblast develops into two layers, one of which is the chorion, which is responsible for forming the interface between the fetal and maternal bloodstreams. The chorion is a fetal membrane that lines the placenta and facilitates nutrient and gas exchange between the mother and fetus.

The Trophoblast Implants into the Endometrial Lining of the Mother's