Question

The figure given below represents the human female reproductive system. Give appropriate term for the following:
Fixing of developing zygote (blastocyst) on the uterine wall.

Answer 1

The fixing of developing zygote (blastocyst) on the uterine wall is called implantation. The embryo at 16 celled stage is called blastula or blastocyst. Implantation is the stage at which the blastocyst adheres to the wall of uterus and this leads to pregnancy.