deep branch of ulnar nerve

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deep branch of ul·nar nerve

(dēp branch ŭl'năr nĕrv)
Accompanies deep palmar branch of ulnar artery and deep palmar arch to supply wrist joint, lumbricals 3 and 4, palmar and dorsal interossei, adductor pollicis, and deep head of flexor pollicis brevis muscles.
Synonym(s): ramus profundus nervi ulnaris.