Deep branch of ulnar nerve
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| Nerve: Deep branch of ulnar nerve | |
|---|---|
 | |
| Superficial palmar nerves. (Deep branch of ulnar labeled at center right.) | |
| Latin | ramus profundus nervi ulnaris |
| Gray's | subject #210 942 |
| Innervates | Dorsal interossei, Palmar interossei, lumbricals #3 and 4 |
| From | palmar branch of ulnar nerve |
| Dorlands / Elsevier | r_02/12691829 |
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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.
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
Nerves of upper limbs (primarily): the brachial plexus (C5-T1) | |
|---|---|
| Supraclavicular | root (dorsal scapular, long thoracic) - upper trunk (suprascapular, to the subclavius) |
| Infraclavicular: lateral cord | lateral pectoral
musculocutaneous (lateral cutaneous of forearm) median/lateral root: anterior interosseous - palmar - recurrent - common palmar digital (proper palmar digital) |
| Infraclavicular: medial cord | medial pectoral
cutaneous: medial cutaneous of forearm • medial cutaneous of arm ulnar: muscular - palmar - dorsal (dorsal digital nerves) - superficial (common palmar digital, proper palmar digital) - deep median/medial root: see above |
| Infraclavicular: posterior cord | subscapular (upper, lower) • thoracodorsal
axillary (superior lateral cutaneous of arm) radial: muscular - cutaneous (posterior of arm, inferior lateral of arm, posterior of forearm) - superficial (dorsal digital nerves) - deep (posterior interosseous) |
| Other | cutaneous innervation of the upper limbs |
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
