What is ULNAR NERVE?

Written by Pam MS, NCSP | Fact checked by Psychology Dictionary staff 

the sensory and motor nerve which innervates the lateral portion of the hand and forearm. Its fibers stem from the eighth cervical and first thoracic spinal roots, and they go through the brachial plexus's medial section.

ULNAR NERVE: "The ulnar nerve was damaged in the accident."

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