Lateral intermuscular septum
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| Lateral intermuscular septum | |
|---|---|
| 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, 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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