View source for Medial intermuscular septum of arm



{{Infobox Anatomy |
  Name         = {{PAGENAME}} |
  Latin        = s. intermusculare brachii mediale |
  GraySubject  = 124 |
  GrayPage     = 442 |
  Image        = Gray413_color.png |
  Caption      = Cross-section through the middle of upper arm. (Medial intermuscular septum of [[humerus]] labeled at center right.) |
  Image2       = |
  Caption2     = |
  System       = |
  Precursor    = |
  MeshName     = |
  MeshNumber   = |
  DorlandsPre  = s_08 |
  DorlandsSuf  = 12730299  |
}}
The medial intermuscular septum, thicker than the [[lateral intermuscular septum]], extends from the lower part of the crest of the [[lesser tubercle]] of the [[humerus]] below the [[Teres major]], along the [[medial supracondylar ridge]] to the [[medial epicondyle]]; it is blended with the tendon of the [[Coracobrachialis]], and affords attachment to the [[Triceps brachii]] behind and the [[Brachialis]] in front. 

It is perforated by the [[ulnar nerve]], the [[superior ulnar collateral artery]], and the posterior branch of the [[inferior ulnar collateral artery]]. 

{{Gray's}}
{{Upper limb general}}

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