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

ScienceDaily
Oct 14, 2021, 2:19 pm272 pts
Lizards can regrow severed tails, making them the closest relative to humans that can regenerate a lost appendage. But in lieu of the original tail that includes a spinal column and nerves, the replacement structure is an imperfect cartilage tube. Now, a study describes how stem cells can help lizards…

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