ABSORPTION. 187 



passage of the nutritious materials from the intestinal canal into 



the surrounding tissues. 



FIG. 80. 



Diagram showing the Course of the Main Trunks of the Absorbent Sys- 

 tem. The lymphatics of lower extremities, etc., meeting the lacteals of in- 

 testines at the receptaculum chyli (R. c.), which opens into the thoracic 

 duct. The superficial vessels are shown in the diagram on the left arm and 

 leg (s.), and the deeper ones on the arm to the right (D.). The glands are 

 here and there shown in groups. The small right duct opens into the 

 veins on the right side. The thoracic duct discharges into the union of 

 the great veins of the left side of the neck (T.). 



In order clearly to understand the method by which absorp- 



