What is line "A" pointing to? 
A) endometrial gland
B) trophoblast
C) embryoblast
D) blastocyst
E) dermatome
Correct Answer:
Verified
Q52: This was formerly called the blastocyst cavity.
Q53: Where is the yolk sac? 
Q54: Which one represents the morula stage?
Q55: What stage happens 3-4 days after fertilization?
Q56: This is the time from the onset
Q58: This is a principle hormone that releases
Q59: What stage happens 6 days after fertilization?
Q60: This is composed of the syncytiotrophoblast and
Q61: What is line "G" pointing to?
Q62: Where are the fetal blood vessels?
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