hand

Terminal part of the upper limb having a tactile and prehensile function, with a thumb opposable to the other fingers.

back

Outer part of the hand corresponding to the metacarpus and located between the wrist and the proximal phalanges of the fingers.

fingernail

Hard corneous plate covering and protecting the back of the distal phalanx; it also has a prehensile function and is continually growing.

lunula

Whitish section between the root and the body of the nail corresponding to the visible front portion of the matrix.

wrist

Joint of the hand (carpus) articulating with the forearm (radius); it mainly enables the hand to flex and extend.

palm

Inner portion of the hand corresponding to the metacarpus and located between the wrist and the proximal phalanges of the fingers.

thumb

First digit of the hand formed of two phalanges; short and strong, it moves in such a way that it is opposable to the other digits, thereby enabling grasping.

index finger

Second digit of the hand used to point, hence its name.

middle finger

Third and longest digit of the hand.

third finger

Fourth digit of the hand. Rings are worn on this finger, hence it is also called the ring finger.

little finger

Last and smallest of the fingers of the hand.