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Can amphibians regrow their limbs?

Can amphibians regrow their limbs?

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Asked by J. Pollock, Last updated: Oct 20, 2020

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E. Stanley

E. Stanley

E. Stanley
E. Stanley, Technical writer, Indianapolis

Answered Sep 03, 2018

Salamanders can regrow new tissue to replace entire limbs and regenerate parts of their major organs, which is an ability that lies in the immune systems. The salamander reveals immune cells called macro phases which are part of the early stages of regenerating lost limbs. Salamanders and newts display the highest regenerative ability among tetrapods.

Salamanders can regrow new tissue to replace entire limbs and regenerate parts of their major
Lizards can also regrow lost limbs, as well as frogs. Lizards can lose their tails on purpose, and they can regrow them. When a leg or tail is amputated, the newt generates a cell mass called the blastema, and the new fully functional limb is regenerated.

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