28 



THORAX 



no definition. The scapular line is a vertical dropped from 



Thoracic sym- 

 pathetic trunk 



Intercostal 

 vessels and nerve 



Vena azygos 



Pulmonary 

 artery 

 Eparterial 

 branch of 

 right 

 bronchu 

 Hyparterial 

 part of 

 bronchus 



Pulmonary 

 veins 



(Esophagus 



Ligamentum 



pulmonis 



(cut) 



M. scalenus anterior 

 Brachial nerves 



Right subclavian artery 

 Right subclavian vein 



Right innominate vein 

 ernal mammary artery 

 Trachea 



ight vagus nerve 

 Left innominate vein 



Ascending aorta 



Superior 

 vena cava 



nternal mam- 

 mary artery 

 Phrenic nerve 

 and accom- 

 panying artery 



Pericardium 

 and heart 



Diaphragm 



FIG. ii The Right Pleural Chamber opened up by the removal of its lateral 

 , , r iT g haS been taken awa y soas to expose the mediastinal 

 wall of the pleural chamber. Several of the structures in the medias- 

 tinal septum are seen shining through the mediastinal pleura 



