Lateral intermuscular septum of arm

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Lateral intermuscular septum of arm
Cross-section through the middle of upper arm. (Lateral intermuscular septum of humerus labeled at lower left.)
Latin s. intermusculare brachii laterale
Gray's subject #124 442
Dorlands/Elsevier s_08/12730291

The lateral intermuscular septum extends from the lower part of the crest of the greater tubercle of the humerus, along the lateral supracondylar ridge, to the lateral epicondyle; it is blended with the tendon of the Deltoideus, gives attachment to the Triceps brachii behind, to the Brachialis, Brachioradialis, and Extensor carpi radialis longus in front, and is perforated by the radial nerve and profunda branch of the branchial artery.

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 As such, some of the information contained herein may be outdated.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