Multiple Choice
Under the influence of the trophoblast, maternal blood vessels in the endometrium
A) disappear.
B) attach to the inner cell mass.
C) break down and form sinuses or lacunae.
D) form a capillary network in the trophoblast.
E) increase in size and penetrate the blastocyst.
Correct Answer:
Verified
Correct Answer:
Verified
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