: thin, flat, horny
part covering the top of the end of the toes and fingers in a large
number of vertebrates.
: small thin skin.
: cuticular fold.
: white, crescent-shaped area at the base of the nail.
: horny plate on the dorsal surface of the end of a finger.
EN : Nail
FR : Ongle
ES : Uña
A nail is a horn-like piece at the end
of a finger. Fingernails are made of a tough protein called keratin.