Regeneration and Regrowth Potentials of Digit Tips in Amphibians and Mammals

Figure 3

Amputation location affects the ability of digit/appendage to regenerate in mammals. Digit/appendage regrowth only occurs if the amputation site was distal to the middle to the 3rd phalanx, whereas digits amputated 2/3 through the 3rd phalanx do not regenerate.