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See also finger protocol

The finger is any of the digits of the hand in humans and other species such as the great apes. The grace of the fingers is not sacrificed to their dexterity due to the placement of their muscles in the forearm, with motion communicated via long tendons which may be observed on the back of the hand. A notable exception is the thumb, with its flexor[?] and rotators[?] comprised in the hand itself.

The bones of the fingers are called phalanges[?] (singular phalanx); the thumb has two phalanges, and the other fingers have three. The fingers have common names from the thumb inward: thumb, index finger, middle finger, ring finger, and little finger or pinky.

Relative to much of the skin of the human body, the fingertips have a high concentration of nerve endings[?], equipping them as centers of tactile sensation; touching something or someone is often done with the hands and in particular the fingers. Another important example of this capacity is in the ability to read Braille. Additionally, prehension is enhanced by the presence of the ridges and whorls known as fingerprints. Each finger is protected at its dorsal terminus by a fingernail (Latin unguis, unguiculus).

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