Question
Question: Which of the following does NOT occur during implantation ?...
Which of the following does NOT occur during implantation ?
A
The embryo secretes enzymes that digest away part of the endometrium.
B
The embryo is drawn into the endometrium and becomes surrounded by it.
C
The embryo forms finger-like projections that burrow into the uterine wall.
D
The embryo develops into a hollow ball with a fluid-filled interior.
Answer
The embryo develops into a hollow ball with a fluid-filled interior.