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Palmar branch of ulnar nerve
From Wikipedia, the free encyclopedia
| Nerve: Palmar branch of ulnar nerve | ||
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| Superficial palmar nerves. (Deep branch of ulnar and superficial branch of ulnar labeled at center right.) | ||
| Latin | ramus palmaris nervi ulnaris | |
| Gray's | subject #210 942 | |
| From | ulnar nerve | |
| To | superficial branch, deep branch | |
| Dorlands/Elsevier | r_02/12691352 | |
The palmar branch of the ulnar nerve arises about 5 cm above the wrist from where the ulnar nerve splits into palmar and dorsal branches.
The palmar branch represents the continuation of the ulnar nerve as it crosses the flexor retinaculum of the hand on the lateral side of the pisiform bone, medial to and a little behind the ulnar artery.
It ends by dividing into a superficial and a deep branch.
 Diagram of segmental distribution of the cutaneous nerves of the right upper extremity. Anterior view. |
- Hand kinesiology at UK nerves/ulnar.htm - palmar at left
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 As such, some of the information contained herein may be outdated.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.
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| Supraclavicular | dorsal scapular • suprascapular • to the subclavius • long thoracic |
| Infraclavicular: lateral cord | musculocutaneous (lateral cutaneous of forearm) • lateral pectoral • lateral head of median (anterior interosseous, palmar, common palmar digital, proper palmar digital) |
| Infraclavicular: medial cord | medial pectoral • medial cutaneous of forearm • medial cutaneous of arm • ulnar (muscular branches, dorsal branch, palmar branch, superficial branch, deep branch) • medial head of median |
| Infraclavicular: posterior cord | subscapular (upper, lower) • thoracodorsal • axillary (superior lateral cutaneous of arm) • radial (muscular, inferior lateral cutaneous of arm, posterior cutaneous of arm, posterior cutaneous of forearm, superficial branch, deep branch, posterior interosseous) |
| Other | cutaneous innervation of the upper limbs |
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