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|Nerve: Posterior cutaneous nerve of arm|
|Cutaneous nerves of right upper extremity. Posterior view. ("Post. brach. cutan." visible at center left.)|
|Latin||n. cutaneus brachii posterior|
|Gray's||subject #210 943|
The posterior cutaneous nerve of arm (internal cutaneous branch of musculospiral, posterior brachial cutaneous nerve) is a branch of the radial nerve that provides sensory innervation for much of the skin on the back of the arm. It arises in the axilla.
It is of small size, and passes through the axilla to the medial side of the area supplying the skin on its dorsal surface nearly as far as the olecranon.
In its course it crosses behind, and communicates with, the intercostobrachial.
- Lateral brachial cutaneous nerve
- Medial brachial cutaneous nerve
- Dorsal antibrachial cutaneous nerve
- EatonHand ner-136
- Hand kinesiology at University of Kansas nerves/radial.htm
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 As such, some of the information contained herein may be outdated.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|
| supraclavicular: dorsal scapular - suprascapular - to the subclavius - long thoracic
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)
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