Superior lateral cutaneous nerve of arm

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Nerve: Superior lateral cutaneous nerve of arm
Latin n. cutaneus brachii lateralis
Gray's subject #210 934
From axillary nerve

The posterior branch of the axillary nerve pierces the deep fascia and is continued as the lateral brachial cutaneous nerve (or lateral cutaneous nerve of arm), which sweeps around the posterior border of the Deltoideus and supplies the skin over the lower two-thirds of the posterior part of this muscle, as well as that covering the long head of the Triceps brachii.

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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 As such, some of the information contained herein may be outdated.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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Brachial plexus

supraclavicular: dorsal scapular - suprascapular - to the subclavius - long thoracic

infraclavicular: lateral cord: musculocutaneous (lateral cutaneous of forearm) - lateral pectoral - lateral head of median

medial cord: medial pectoral - medial cutaneous of forearm - medial cutaneous cutaneous of arm - ulnar (palmar branch - dorsal branch) - medial head of median

posterior cord: upper subscapular - lower subscapular - thoracodorsal - axillary (superior lateral cutaneous of arm) - radial (muscular - posterior cutaneous of arm - posterior cutaneous of forearm - superficial branch - deep branch)

median: anterior interosseous - palmar - proper palmar digital - common palmar digital
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