Reproduction Flashcards
1
Q
Where does fertilization occur
A
In the fallopian tubes
2
Q
The extra-embryonic structure chorion forms what?
A
The placenta
3
Q
What is the role of amnion cells
A
They create a sac around the embryo which cushions it
4
Q
What do allantois cells do?
A
They create a waste sac in early development and eventually form the umbilical cord
5
Q
What extra-embryonic structure provides an early nutrient source?
A
The yolk sac
6
Q
What is gastrulation?
A
The differentiation of the embryonic cells