OF ABSORPTION. 



15 



exists another order of vessels, destined to absorb certain 

 substances. These are called lymphatics, and they constitute 



Fig. 2. Thoracic Canal.* 



* Thoracic cavity and upper part of the abdomen, laid open to display the 

 posterior wall. 1. The thoracic duct, or canal, lying on the front of the 

 vertebral column, by the side of the azygos vein. 3. Origin of this canal 

 from the lacteal vessels, and from the common lymphatics proceeding from 

 the lymphatic ganglions of the abdomen. i. Termination of the canal in the 

 left subclavian vein, near its junction with the left jugular. 2. Large 

 lymphatic vessels arising on the left side of the head, and terminating in the 

 left subclavian and jugular veins. (Figure copied from the Traite d 'Anatomic 

 Humiiine, by M. Sappey.) 



XOTK. For left read right side of the head and neck at No. 2 of the al-ove 

 figure R. K. 



