Q. After implantation, finger-like projections on the trophoblast are called …A…. which are surrounded by …B… and maternal blood. Here A and B refers to
A) A-chorion; B-foetal cell
B) A-chorionic villi; B-uterine tissue
C) A-uterine tissue; B-chorionic villi
D) A-foetal cell; B-chorion
Explanation
A-Chorionic villi; B-Uterine tissue
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.