20 



THORAX 



bone of the eighth rib. The remainder of its course and the 

 position of its posterior margin are the same as on the right 

 side. 



Cervical dome of pleura 



Right innominate vein 



Cut edge of 

 parietal pleura" 



Trachea 



Vena azygos 



Eparterial 



branch of 



bronchus 



Pulmonary 



artery 



Bronchus 



(hyparterial part) 



Pulmonary veins 



Inferior vena 

 cava 



Cut edge of 

 parietal pleura 



Left innominate 

 vein 



Superior vena 

 cava 



Aorta 

 within the 

 pericardium 



Cut edge of 

 parietal pleura 



Phrenic nerve 

 Pericardium 



Diaphragmatic 

 pleura 



XII 



FIG. 9. The Right Pleural Sac, in a subject hardened by formalin injection, 

 opened into by the removal of the costal part of the parietal pleura. The 

 right lung also has been removed to display the right mediastinal pleura. 

 Note the line of diaphragmatic reflection of the pleura. 



The student should mark out the margins of the pleural 

 sacs on the living body, using himself and his friends for the 

 purpose, until he can indicate them correctly, judging from 

 the contour of the body alone and without feeling for the 

 skeletal points. 



