Finger (longutudinal section):
jointed appendage at the end of a human hand (thumb, index finger, middle
finger, third finger, little finter).
Epidermis: tissue forming the outer layer of the skin.
Nailbed: part of the nail under the skin, from which the nail
Nail: horny plate on the dorsal surface of the end of a finger.
Dermis: tissue forming the central layer of the skin.
Pad: part of the finger containing the flesh that forms the digital
Distal phhalanx: third jointed segment of a finger.
Interphalangeal joint (IP): joint between the second and third
Middle phalanx: second jointed segment of a finger.