Development of Placenta Flashcards
1
Q
Which cells of the developing embryo form the chorionic villi of the placenta?
A
Cytotrophoblast cells
2
Q
What is meant by a primary chorionic villus?
A
Cytotrophoblast core
3
Q
What is meant by a secondary chorionic villus?
A
Mesoderm core but no blood vessels
4
Q
What is meant by a tertiary chorionic villus?
A
Mesoderm core with blood vessels