Palmar branch of the median nerve
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Palmar branch of the median nerve | |
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Nerves of the left upper extremity.
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Superficial palmar nerves.
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Details | |
Latin | ramus palmaris nervi mediani |
From | median nerve |
Identifiers | |
Dorlands /Elsevier |
r_02/12691347 |
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TH | {{#property:P1694}} |
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FMA | {{#property:P1402}} |
Anatomical terms of neuroanatomy
[[[d:Lua error in Module:Wikidata at line 863: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]]
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The palmar branch of the median nerve is a branch of the median nerve which arises at the lower part of the forearm.
Branches
It pierces the palmar carpal ligament, and divides into a lateral and a medial branch;
- The lateral branch supplies the skin over the ball of the thumb, and communicates with the volar branch of the lateral antebrachial cutaneous nerve.
- The medial branch supplies the skin of the palm and communicates with the palmar cutaneous branch of the ulnar.
Clinical significance
Unlike most of the median nerve innervation of the hand, the palmar branch travels superficial to the Flexor retinaculum of the hand. Therefore, this portion of the median nerve usually remains functioning during carpal tunnel syndrome.[1]
Additional images
References
This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)
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