THE LARGE INTESTINE 



99 



testine is no longer traversed the discharges are watery and 

 rather voluminous, but they contain only small percentages 



Fig. 14. The colon with special reference to its movements: 

 T is placed near the seat of frequent sustained or tonic contraction. 

 From here backward to the cecum (C) antiperistalsis is of common 

 occurrence, but this segment is swept also by occasional waves in 

 the opposite direction ; V indicates the position of the ileocecal valve, 

 which prevents reflux to the small intestine under the influence of 

 antiperistalsis; beyond T the infrequent movements which take place 

 have always a progressive character; S and S l are regions often 

 found to contain stationary contents; K is the kink referred to in 

 the text; R is the rectum, and Sph is the double sphincter at the 

 anus. 



of valuable nutriment. The fluid escaping from the end of 

 the small intestine or the beginning of the large is described 

 as entirely inoffensive, which indicates that putrefactive 



