Deep branch of ulnar nerve

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Template:Infobox Nerve Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]



The deep branch of the ulnar nerve, accompanied by the deep branch of the ulnar artery, passes between the abductor digiti minimi and the flexor digiti minimi brevis.

It then perforates the opponens digiti minimi and follows the course of the deep palmar arch beneath the flexor tendons.

At its origin it supplies the hypothenar muscles.

As it crosses the deep part of the hand, it supplies all the interosseous muscles and the third and fourth lumbricals.

It ends by supplying the adductor pollicis and the medial head of the flexor pollicis brevis.

It also sends articular filaments to the wrist-joint.


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