The cytotrophoblast
A. forms the chorionic villi.
B. replaces the syncytiotrophoblast.
C. remains throughout development.
D. forms branches that protrude into the amniotic cavity.
E. is not an embryonic part of the placenta.
A
Anatomy & Physiology
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Fill in the blank(s) with correct word
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Fill in the blank(s) with the appropriate word(s).
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A. prophase. B. telophase. C. metaphase. D. anaphase.
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