THORACIC CAVITY 



3 1 



the arch of the aorta are the lower parts of the left common 



Thyreoid gland 



Left common carotid artery 



Scalenus anterior 



Left subclavian artery 



Left subclavian vein 



First rib 



Left innominate vein 



Left common carotid artery 

 Left subclavian artery 



Left phrenic nerve -- 



Left vagus nerve -y 



Cut edge of pleura ' 



Cut edge of peri- 

 rardium and pleura 



'ulmonary artery 



Brachial plexus 



Thoracic duct 

 First left aortic 

 intercostal artery 

 CEsophagus 



Sympathetic trunk 



Left superior 

 intercostal vein 

 Arch of aorta 



Left pulmonary arter 



Upper left 

 pulmonary vein 



Left bronchus 



Left auricle (O.T. 

 auricular appendage) 

 Lower left 

 pulmonary vein 



Circumflex branch 

 of left coronary 

 artery 



Great splanchnic 

 nerve 



Diaphragm 



FIG. 13. Dissection of Thorax from left side showing the constituent parts 

 of the superior, middle, and posterior mediastina. 



carotid and left subclavian arteries, and posterior to the latter 

 lies the oesophagus, with the thoracic duct running along its 

 left lateral border. 



