Multiple Choice
The trophoblast eventually differentiates into two layers. Which of these layers erodes the endometrium and begins projecting extensions into the uterine lining?
Table of contents
- 1. Introduction to Biology2h 17m
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21. Development, Maturation & Aging
Implantation
Multiple Choice
The process of implantation is usually complete by approximately:
A
1-2 days after fertilization.
B
4-5 days after fertilization.
C
10-12 days after fertilization.
D
20-28 days after fertilization.
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