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chapter 10, early development and axis formation in amphibians part-2

chapter 10, early development and axis formation in amphibians part-2

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Trunk <strong>in</strong>duction: The Wnt signal<strong>in</strong>g pathway<br />

<strong>and</strong> posteriorization of the neural tube<br />

Double-gradient model<br />

o BMP gradient: ventral-dorsal <strong>axis</strong><br />

Ventral > Dorsal<br />

o Wnt gradient: anterior-posterior <strong>axis</strong><br />

Anterior < Posterior on neural plate

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