HISTOLOGY. 99 



The serous coat is the same as that of the stomach. 



SMALL INTESTINE. CAT. 



1, villus; 2, submucosa; 3, muscularis mucosae; 4, Bnm- 

 ner's gland located in the submucosa. 



The glands of the small intestines are of four vari- 

 eties : Lieberkuhn's glands are found in the mucosa 

 of the entire intestinal tract, between the villi. They 

 are of the simple tubular type. The glands of Brunner 

 are of the same type as the ones above, but divide into 

 many branches; therefore they look like a racemose 

 gland. They are serous and not of mucous type. 

 These are the duodenal glands. The solitary glands 

 are found throughout the intestinal tract and are lymph 



