What happens 3-4 days after fertilization?
C
What stage happens 6 days after fertilization?
E
Which structure was formerly called the blastocyst cavity?
F
This is composed of the syncytiotrophoblast and the cytotrophoblast. (makes up the chorion)
C
Where is the amniotic cavity?
E
Which cells are derived from the yolk sac and form a connective tissue layer?
B
What is line "G" pointing to?
None of these choices (extraembryonic coelem)
What is line "A" pointing to?
Trophoblast
Which represents the morula stage?
C
Which one represents the blastocyst stage?
E
What does figure "A" represent?
Cleave of zygote
What is like "G" pointing to in this figure?
Chorionic villi
Where are the fetal blood vessels in the figure?
E
What is line "F" pointing to in the figure?
maternal endometrial arteriole