THE LARGE INTESTINE AND ITS CONTEXTS. 161 



fat, fatty acids, and the remnants of undigested food. Vegetable 

 cells and fibres may be detected, and some debris of the disin- 

 tegrated muscular fibres may almost always be found after a meal 

 composed of animal and vegetable substances. But little absorp- 

 tion, accordingly, takes place in the large intestine. Its office is 

 mainly confined to the separation and discharge of certain excre- 

 mentitious substances. 



11 



