Gastrulation Flashcards
1
Q
Oct4 and Sox2 in ES cells
A
- activate own transcription
- during differentiation to mesoendoderm and neuroectoderm, they regulate each other negatively
(graph)
2
Q
Bilaminar disk and primitive streak
A
- bilaminar : epi and hypo
- primitive streak: thickening streak, extending to center with node… creates a groove and then regresses, but leaves the node
3
Q
node
A
- where cells enter the embryo
- creates notochord first
4
Q
draw cells moving into node
A
-
5
Q
draw depiction of notochord forming
A