The placenta consists of which two structures?
A) chorionic villi and amnion
B) chorionic villi and decidua basalis
C) cytotrophoblast and syncytiotrophoblast
D) decidua basalis and decidua capsularis

Question

Quizplus · Accepted Answer

The placenta is composed of two structures, the chorionic villi (which are derived from the fetal portion of the placenta) and the decidua basalis (which is derived from the maternal portion of the placenta). Therefore, choice B is the correct answer, as it includes both of these structures. The other choices listed either include only fetal structures (choices A and C) or only maternal structures (choice D).

The Placenta Consists of Which Two Structures