Question

fill in the blank question
the fingerlike branches of the chorion that extend into the endometrial wall of the uterus are the

Explanation:

The chorion is one of the fetal membranes. Chorionic villi are the finger - like projections from the chorion. They extend into the endometrial wall (decidua) of the uterus. Through the chorionic villi, there is an exchange of nutrients, gases, and waste products between the mother and the fetus.

Answer:

chorionic villi