Aided by stem cells, a lizard regenerates a perfect tail for first time in more than 250 million years – EurekAlert

image: A lizard species known as a mourning gecko can regenerate its tail, but the replacement is an imperfect copy of the original.view more 
Credit: USC/Lozito Lab
Lizards can regrow severed tails, making them the closest relative to humans that can regenerate…

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