Question

Mammalian placenta has minute finger like projections called

• A. Chorionic villi
• B. Chorionic network
• C. Chorionic extension
• D. Chorionic plexus

Answer 1

The correct option is A Chorionic villi

Mammalian placenta has minute finger like projections called chorionic villi. Chorionic villi are villi that develop from the chorion. They provide maximum contact area with maternal blood. Branches of the umbilical arteries carry embryonic blood to the villi. They are rich source of stem cells.

Thus, the correct answer is 'Chorionic villi.'