In the early fetus, all of the following are parts of the chorionic villi except the
A) syncytiotrophoblast.
B) cytotrophoblast.
C) extraembryonic mesoderm.
D) decidua.

Question

Quizplus · Accepted Answer

The chorionic villi consist of the syncytiotrophoblast, cytotrophoblast, and extraembryonic mesoderm. Decidua is a layer of endometrium in the uterus, not a part of the chorionic villi.

In the Early Fetus, All of the Following Are Parts