From the 2006 Holiday Lectures — Potent Biology: Stem Cells, Cloning, and Regeneration

Newt Limb Regeneration

Urodele amphibians—newts and salamanders—are able to regenerate fully functional limbs in response to amputation. Cells in and near the limb stump dedifferentiate to form a mass of stemlike cells that can produce all the specialized tissues of the limb, such as muscle, nerves, and blood vessels.

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