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PRACTICAL ANATOMY. 



THE AXILLARY SPACE. 



1 . A Base. Skin, superficial, and deep fascia, called axillary. 



2. An Apex. Formed by clavicle, first rib, and scapula. 



3. Anterior Border. Pectorales major and minor, and clavi-pectoral fascia. 



Deltoid 



Terea major 



AponeuroBis of external oblique 



External intercostal 



FIG. 130. THE PECTORAI.IS MAJOR AND DELTOID. 



ANTERIOR 



Pectoralis major 



Trapezius 



POSTERIOR 

 FIG. 131. THE LEFT CI.AVJCI.K. (Superior surface. ) 



Sterno-maBtoid 



4. Interior Border. Ribs, intercostal spaces (six), and serratus magnus. 



5. Anterior Tlioracic Angle. Long thoracic artery. 



6. Posterior Thoracic Angle. Subscapular artery and Bell's nerve. 



7. External or Humeral Angle. Axillary artery and nerves. 



