Ulnar Nerve

**Semantic type:** Anatomical Structure

**Definition:** A major peripheral nerve of the upper limb; it originates as the medial cord of the brachial plexus, and contains fibers from the C8-T1 nerve roots. It functions to supply both sensory and motor innervation to parts of the forearm and hand.

**Synonyms:** - NERVE, ULNAR - ULNAR NERVE