98 LABORATORY METHODS OF 



T. S. SMALL INTESTINES. 



1, mucosa, covered with columnar epithelial cells; 2, sub- 

 mucosa; 3, muscular layers; 4, fibrous layer. 



tissues as the rugae of the stomach. The goblet cells 

 are abundant in this tissue. In this coat there are a 

 few smooth muscle fibers which give rise to the mus- 

 cularis mucosae. The submucous coat is the same as 

 that of the stomach. 



The muscular coat is made up of two layers : an in- 

 ner circular layer and an outer longitudinal layer, 

 separated by a small amount of connective tissue. 



