942 



HUMAN ANATOMY. 



front of the first and second lumbar vertebree, and passes upward through the aortic 

 opening of the diaphragm. In the thorax its course, although slightly sinuous, in 



Fig. 795. 



Internal jugular vein 



Trachea 



Vertebral vein 

 Right lymphatic duct 



Subclavian vein 

 I. rib 



Right innominate vein 



CEsophagus 



Vena azygos 



Right lumbar lymph trunk 



Crest of ilium 



rLeft common carotid artery 



Left innominate vein 



Thoracic duct 

 Left subclavian vein 

 Scalenus anticus 

 Left subclavian artery 



Thyroid axis 

 I. rib 



Vertebral artery 



Thoracic duct 



Aorta 



Intercostal arteries 



Receptaculum chyli 

 Intestinal lymph trunk 



Left lumbar lymph trunk 



■Crest of ilium 



Dissection of posterior body-wall, seen from in front, showing thoracic duct and right hmphatic duct; 

 veins have been laterally displaced to expose terminations of thoracic duct. 



general is at first almost directly upward, a little to the right of the median line of 

 the bodies of the thoracic vertebrae ; at the level of from the sixth to the fourth 



