DIGESTIVE ORGANS AND THEIR ANATOMY. 



287 



do not produce a special intestinal juice, but secrete mucus 

 only. They are-, therefore, spoken of as the mucous glands 



Fig. 116. GLANDS OF THE LARGE INTESTINE. (After Heidenhain and Klose.j 

 6, longitudinal section ; c, transverse section ; both showing mucous secreting goblet 



cells. 



of the large intestine. Except that they are a little larger 

 and that they contain numerous mucus-secreting goblet 

 cells, they are analogous to the crypts of the small intes- 

 tine. The mucous secretion of these glands serves to lubri- 

 cate the walls of the large intestine and so renders more 

 easy the translation of the foods. The large intestine is 

 much shorter than the small, consisting of three turns only: 

 an upward turn on the right side of the body, known as the 

 ascending colon, a turn running horizontally across the 

 abdominal cavity just beneath the stomach, known as the 



