10 Interesting Facts About Nails

10 Interesting Facts About Nails By PositiveMed-Team Edited By Stephanie Dawson First Published on October 31st 2013 Reviewed on December 7th 2013 by Nima Shei MD A horn-like envelope covering the dorsal aspect of the terminal phalanges of fingers and toes in humans, many non-human primates, and some mammals are called nails. A tough protein […]