TTTK DrOKSTIVE SYSTEM 



269 



of Meissner (see page 276). Solitary lymph follicles occur throughout 

 the mucous membrane of the large intestini'. W'liilc properly con- 

 sidered as structures of the stroma from which they originate, the 

 follicles lie mainly in the submucosa. (For details of structure see 

 page 171.) 



r 



^rmm^'^^ 





;;••.•^:.^■^^^U.■^^.V^■?r:•"■■";C•■^•^•■:^•^■.;'.:• ^'^- ;•••■•' ;v 



. •. .v;t-.-. 



*(-:..: 



■' ■'"■(••■.' ■ 







rR3 



Fig. 172. Fig. 173. 



Fig. 172. — From Vertical Longitudinal Section of Cat's Large Intestine. (Larra- 

 bee.) a, Epithelium; b, stroma; c, fundus of gland; d, muscularis mucosae; c, submucosa; 

 /, circular muscle layer; g, longitudinal muscle layer; h, sefous coat; i, Auerbach's plexus. 



Fig. 173. — From Vertical Longitudinal Section of the Mucous Membrane of the 

 Human Large Intestine. (Technic i, p. 280.) a, Mucous (goblet) cells; b, fundus of a 

 gland cut obhquely; c, muscularis mucosae; d, lumen of a gland cut longitudinally; e, 

 stroma between the glands;/, leucocytes in the epithelium; g, stroma between fundi 

 of glands and muscularis mucosae. 



3 C 



comple 

 arrange 

 coh. I 



aris (Fig. 172) the inner circular layer only is 



) tissue of the external longitudinal coat being 



hree strong, flat, longitudinal bands, the lineae 



bands the longitudinal muscular coat is either 



