82 OUTLINES OF ANATOMY. 



Lymphatics of the thoracic portion of the oesophagus, 697. (682) 

 Right vagus nerve, 817. (798) 

 Left vagus nerve, 817. (798) 



Expose the thoracic aorta and trace the visceral branches. 



Thoracic aorta, 579-81. (568-70) 

 Relations : In front. 

 Behind. 

 Right side. 

 Left side. 



Branches of the thoracic aorta : 

 Visceral. Parietal. 

 Visceral branches : 

 Pericardial. 

 Bronchial arteries: 

 Right bronchial. 

 Upper left bronchial. 

 Lower left bronchial. 



Branches to the bronchial glands and oesophagus. 

 GEsophageal arteries. 

 Bronchial veins, 645. (633) 

 GEsophageal veins, 645. (633) 

 Posterior mediastinal glands, 697. (682) 

 Thoracic duct, 698-9. (683-4) 



Thoracic portion of the thoracic duct. 



Relations : In posterior mediastinum. 



Superior mediastinum. 

 Cervical portion of the thoracic duct. 



The chief variations in the thoracic duct. 



Thoracic portion of the gangliated cord, 868. (848) 

 Branches : 



External branches. 



Internal branches of the upper ganglia. 

 Internal branches of the lower ganglia. 

 Internal branches upper series. 

 Internal branches lower series. 

 Great splanchnic nerve. 

 Lesser splanchnic nerve. 

 Smallest splanchnic nerve. 

 Azygos veins, 642-4. (630-1-2) 

 Vena azygos major : 



In the posterior mediastinum : 

 Relations : Left side. 

 In front. 

 Right side. 



As it curls over the root of the lung. 

 Tributaries. 

 Vena azygos minor, etc. : 



Tributaries. 

 Vena azygos tertia : 



Tributaries. 



The intercostal veins, 644-5. (632-3) 

 On the right side : 



Lower right superior intercostal vein. 

 Left side : 



Upper left superior intercostal vein. 

 Lower left superior intercostal vein. 

 Aortic intercostal arteries, 581-2. (570-1) 



