The human placenta is formed from a combination of the
A)chorionic frondosum and the chorionic villus.
B)chorionic frondosum and the decidua basalis.
C)decidua basalis and the chorionic villus.
D)chorionic villus and the endometrium.
E)chorionic frondosum and the amnion.

Question

Quizplus · Accepted Answer

The human placenta is formed from a combination of the chorionic frondosum (part of the developing fetal placenta derived from trophoblastic tissue) and the decidua basalis (part of the uterine lining). This combination leads to the formation of the placental villi, which are responsible for nutrient and gas exchange between the mother and fetus.

The Human Placenta Is Formed from a Combination of the