During implantation,the
A)syncytial trophoblast erodes a path through the endometrium.
B)inner cell mass begins to form the placenta.
C)maternal blood vessels in the endometrium are walled off from the blastocyst.
D)entire trophoblast becomes syncytial.
E)inner cell mass is temporarily deprived of nutrients.

Question

Quizplus · Accepted Answer

During implantation, the syncytial trophoblast erodes a path through the endometrium to establish contact with maternal blood vessels.

Answer: C
 During implantation, the maternal blood vessels in the endometrium are walled off from the blastocyst to prevent excessive bleeding.

Answer: E
 During implantation, the inner cell mass is temporarily deprived of nutrients due to the lack of direct contact with maternal blood vessels.

During Implantation,the