THE AXILLA. 



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axillary artery and vein bisect the axilla and run close 

 to the outer wall, against the humerus. 



The brachial plexus surrounds the axillary artery, 

 lying on a plane posterior to it. The branches from the 

 outer and inner cords unite in front of the artery to form 



FIG. 196. DISSECTION OF AXILLA. 



1, axillary artery : 2, brachial arterv : 3, acromio-thoracic artery ; 4, superior thoracic 

 artery; 5, subscapular arterv; 6, dorsalis scapula; artery: 7, posterior circumflex artery: 

 8, superior profunda artery ; 9, posterior thoracic nerve ; 10. long subscapular nerve ; 11, 

 median nerve ; 12, cephalic vein ; 13, musculo-cntaneous nerve ; 14, teres major muscle. 



the median nerve, which passes down in front of the 

 vessels. To expose more fully the branches of the plexus 

 it is necessary to remove the axillary vein. The axillary 

 space is crossed by some lateral cutaneous branches of 



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