(ill 



DISSECTION OF THE DOG 



DorsaUy in contact for the greater part of its course with the bodies of the 

 thoracic vertebra?, the aorta is ventrally in successive relation to the root of the 

 left lung, the pericardium, and finally the diaphragm. 



i. subclavia sinistra — /-\| ^' 



Truncus jugularii 



r. anonyma sinistra ._ 



Aoila 



■liitctits thoracicus 



.v. atygos 



Fig. 23.— Diagram of tho thoracic duct. 



