ABSORPTION DIGESTION COMPLETED. 



183 



" Unlike sugars and peptones, fats are absorbed chiefly 

 in a solid form that is, in an emulsified condition. 

 There can be no question, in this case, of osmosis. It has 

 been shown by nearly all recent work that the immediate 

 agents in the absorption of fats are again the epithelial 

 cells of the villi of the small intestine. The fat droplets 



Right Lymph Vein .... 



Junction of Thoracic 

 Duct with Left Sub- 

 clavian Vein 



Main Lymph Vein 

 (Thoracic Duct) 



Intestine 



.Lymphatic Glands 



Fig, 66. Lymph Veins Lymphatics. (Ventral View.) 



are taken up by these cells, and can be seen microscopically 

 after digestion in the act of passing, or rather of being 

 passed, through the cell substance. The epithelial cells, 

 in other words, ingest the fat particles lying against their 



