Stem Cells May Be Secret to Regenerating Fingers and Toes



The tips of mouse toes can regenerate by 5 weeks after amputation in normal mice (top). In contrast, mice that lack the right stem cell signals fail to regenerate the digit tip (bottom). (Image credit: Ito Lab)
https://www.livescience.com/37380-nail-cells-regenerate-lost-fingers.html

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