AXILLARY SPACE 



27 



of the arm. When that has been done the dissector should turn 

 to the medial wall of the axilla and find the anterior and posterior 

 divisions of the lateral branches of the intercostal nerves, as they 



Posterior circumflex artery 

 Subscapular artery 



\ 



Musculo-cutaneous nerve 

 Axillary nerve (O.T. circumflex) 



Cephalic vein 

 Acromial artery ' 

 Lateral anterior thoracic nerve ' 

 Lateral cord of brachial plexus 



Thoraco-acromial artery ' 

 Axillary artery, ist part 



Axillary vein 

 Subclavius muscle 



Medial anterior 

 thoracic nerve 



Pectoral branch 

 of thoraco- 

 acromial artery 



Anterior circumflex artery 

 ; Pectoralis major 



/ Coraco-brachialis 

 Biceps brachii 

 (short head) 



I Basilic vein 

 Brachial artery 

 Median nerve 



Fascial band connecting lat. 

 dorsi with long head of triceps 

 Medial cutaneous nerve of the 



forearm 

 Ulnar nerve 



\J\ Medial cutaneous nerve of the arm 



', Teres major 



Radial nerve (O.T. musculo- spiral 



Circumflex artery of scapula (O.T. 

 1 dorsalis scapulae) 

 Lower subscapular nerve 



Subscapularis mascle 



! Posterior division of a lateral cutaneous nerve 

 Latissimus dorsi 

 Thoraco-dorsal nerve (O.T. middle subscapular) 



Anterior branch of a 

 ateral cutaneous nerve 



Long thoracic nerve 

 / Intercosto-brachial nerve 



Lateral thoracic artery 

 (O.T. long thoracic) 



FIG. 13. The contents of the Axillary Space exposed by the reflection of the 

 Pectoralis Major and the subjacent fascia, and the removal of the fat and 

 glands. 



emerge between the digitations of the serratus anterior, behind 

 the inferior border of the pectoralis minor. He must trace them 

 forwards and backwards respectively, and he may expect to find 

 communications between the posterior division of the third lateral 

 branch and the intercosto-brachial nerve. At the junction of the 

 anterior and medial walls of the axilla and at the lower border 



