Embryology Flashcards

0
Q

Dorsal ventral limb bud patterning?

A

LMX 1 protein acting on Wnt 7a protein.

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1
Q

Proximal distal limb bud differentiation?

A

Apical ectodermal ridge acts on underlying mesoderm through fibroblast growth factors.

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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.

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