Overview

ulnar nerve


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One of the major nerves of the arm. It originates in the neck, from spinal roots of the last cervical and first thoracic divisions, and runs down the inner side of the upper arm to behind the elbow. In the forearm it supplies the muscles with motor nerves; lower down it divides into branches that supply the skin of the palm and fourth and fifth fingers.

Subjects: Medicine and Health.


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