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

Question

Quizplus · Accepted Answer

The syncytial trophoblast erodes a path through the uterine epithelium during implantation, allowing the blastocyst to embed into the endometrial lining of the uterus. This process is known as implantation.

During Implantation