Between 6 and 10 days after conception,the trophoblast secretes enzymes that enable it to burrow into the endometrium until the entire blastocyst is covered.This is termed implantation.Tiny projections then develop out of the trophoblast and extend into the endometrium.These projections are referred to as
A) Decidua basalis
B) Decidua capsularis
C) Decidua vera
D) Chorionic villi

Question

Quizplus · Accepted Answer

The projections that develop out of the trophoblast and extend into the endometrium are called chorionic villi. Decidua basalis, capsularis, and vera are all different portions of the endometrium during pregnancy.

Between 6 and 10 Days After Conception,the Trophoblast Secretes Enzymes