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A nail is a horn-like envelope covering the tips of the fingers and toes in most primates and a few other mammals. Nails are similar to claws in other animals. Fingernails and toenails are made of a tough protective protein called alpha-keratin. This protein is also found in the hooves and horns of different animals.

The nail consists of the nail plate, the nail matrix and the nail bed below it, and the grooves surrounding it.

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In this gallery "Nails" we have 88 free PNG images with transparent background.