객관식
Which of the following hormones is NOT produced by the placenta at any point during pregnancy?
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Placentation
객관식
The chorion is made up of the:
A
Syncytiotrophoblast and lacunae.
B
Ectoderm and syncytiotrophoblast.
C
Extraembryonic mesoderm and syncytiotrophoblast.
D
Extraembryonic endoderm and syncytiotrophoblast.
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