126 THE INTESTINAL ORGANS. 



Cbe Intestinal Organs. 



The intestines are snb-divided into two classes, the- 

 small and the large; the small being narrow and uniform in 

 diameter and of considerable length, the large being irregularly 

 dilated and sacculated. The small intestines are arbitrarily 



(From Chauveau s Anatomy ) 



tf, <z— Lacteal vessels iu the villi. ^, 3— Superficial layer of the lacteal vessels [rete 

 angustum), c^c — Deep layer of the lacteals l^rete amptum,) d^d — Efferent vessels pro- 

 vided with valves, e — Lieberkuhu's glands. /"—Peyer's glands, g — Circular muscular 

 layer of the wall of the intestine. A— Loagitudiaal layer, z— Peritoneal layer, 



divided into three sub-divisions, that joining the abomasum 

 being called the duodenum, which is a short curved portion con- 

 taining glands called Peyers patches, and receiving ducts from 

 the pancreas and liver. This is succeeded by a short portion 



