LARGE INTESTINE. 



109 



Fig. 9]. 



canal ; it differs much from the 

 small intestine in its diameter, and 

 has a sacculated appearance. Like 

 the small intestine, it consists of 

 four coats. 



The 'peritoneal coat is conti- 

 nuous with the meso-colon, and 

 has numerous folds filled with fat, 

 which are called appendices epi- 

 ploicce. 



The tnuscular coat consists of 

 two sets of fibres ; the longitudi- 

 nal fibres are collected into three 

 bands, each about a half an inch 

 in breadth, which extend to the 

 rectum ; the circular fibres are 

 also thicker than those of the 

 small intestine. 



The cellular coat connects 

 the mucous and muscular, and 

 contains the blood-vessels and 

 nerves. 



'Y\vQ,'mucous coat has no valvulce co7inive7ites nov villi; it is whiter, 

 thicker, and coarser, than that of the small intestine. Its follicles 



Fig. 92. 



Fig. 93. 



