Chopped: How Amputated Fingertips Sometimes Grow Back

#10, the Best Doctor

When a kid lops off a fingertip with a cleaver or car door, there’s a chance the end of the digit will grow back. The fingerprint will be gone, and the tip may look a bit strange. But the flesh, bone and nail could return.

Now biologists at New York University have figured out just how this lizard-like regeneration happens in mice. There’s some secret sauce at the nail cuticle that makes it possible, scientistsreport Wednesday in the journal Nature.

Read the rest of the article here: http://www.npr.org/blogs/health/2013/06/10/190385484/chopped-how-amputated-fingertips-sometimes-grow-back

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