Epistemis

Member Development

Embryology · Members and wall

Figure 5. Simulations of effect of limb bud distal expansion. ZPA graft (left) expanded chicken wing bud that results from anterior graft of an ectopic zone of polarizing activity from the proximal posterior region of another wing bud (normal limb profile at this stage shown in red); (center) resulting cartilage skeleton, with mirror-image duplication; (right) end-stage of simulation with distal
Figure 5. Simulations of effect of limb bud distal expansion. ZPA graft (left) expanded chicken wing bud that results from anterior graft of an ectopic zone of polarizing activity…

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Epistemis is educational review material. It is not a medical device, does not diagnose or prescribe treatment, and does not replace formal medical training, current clinical guidelines, or professional clinical judgment.

Previousyolk sac
Category
Members and wall
Difficulty
advanced
Type
Diagram

Origin: Zhu J, Zhang Y-T, Alber MS, Newman SA · CC BY 4.0 · Wikimedia Commons · License CC BY 4.0

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