deep branch of the ulnar nerve
Also found in: Acronyms.
deep branch of the ul·nar nerve[TA]
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 [TA]