208 



DIGESTION 



The Large Intestine. The large intestine in structure is like the small 

 intestine, but it is larger in diameter and shorter, being about 150 cm. 



FIG. 106 



Hepatic cell-cords: a, a cell; 6, a lymph-space. (Bates.) 

 FIG. 107 



Urea. 



Glycogen. 

 Bile-salts. 

 Bile-pigments* 

 Secretin. 



Functions of the liver. The arrows indicate the respective secretions, internal and external, 

 of this complex gland, their places of origin, and their destinations. 



long. The longitudinal muscular coat is much less complete than in the 

 small intestine; in the rectum the circular coat is very thick. There 



