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.
A) the syncytial trophoblast erodes a path through the uterine epithelium.
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