embryology review Flashcards
1
Q
twinning happens in week __
A
1
2
Q
sterility happens in week __
A
1
3
Q
hCG production starts in week __
A
2
4
Q
chorionic villi formation starts in week ___
A
2
5
Q
hydatidiform mole occurs in week __
A
2
6
Q
what is EMT vs MET?
A
EMT: epithelium transforming a cell type into a mobile mesenchymal cell via gastrulation
MET: mesenchyme regaining epithelial characteristics. this helps form organs and tissues
7
Q
the acrosome reaction is initiated by __
A
binding of ZP3 receptors and proteins
8
Q
the acrosome and zona reaction are driven by which ion
A
calcium
9
Q
the zona reaction changes expression of which protein
A
ZP3
