Embryology Flashcards
0
Q
Dorsal ventral limb bud patterning?
A
LMX 1 protein acting on Wnt 7a protein.
1
Q
Proximal distal limb bud differentiation?
A
Apical ectodermal ridge acts on underlying mesoderm through fibroblast growth factors.
2
Q
Posterior to anterior limb bud patterning (ulnar to radial)?
A
Shh gene acting on ZPA. Cells closer to the ZPA become more posterior (Ulnar) structures.