The chorion is produced from which primary tissue layer(s)?
A) ectoderm and endoderm
B) ectoderm and mesoderm
C) endoderm and mesoderm
D) ectoderm only
E) endoderm only

Question

Quizplus · Accepted Answer

The chorion, an important embryonic membrane that contributes to the formation of the placenta, is derived from the ectoderm and mesoderm. The ectoderm contributes to the formation of the amnion and the chorionic villi, while the mesoderm contributes to the formation of the chorionic villi and the connective tissues.

The Chorion Is Produced from Which Primary Tissue Layer(s)