208 



ELEMENTS OF HISTOLOGY. [Chap. xxvr. 



plexuses the branches are of a very variable thickness ; 

 they are groups of simple axis cylinders, held together 

 by a delicate endothelial sheath. 



CHAPTER XXVI. 



THE GLANDS OF BRUNNER, AND THE PANCREAS. 



275. AT the passage of the pyloric end of the 

 stomach into the duodenum (Fig. 121), and in the first 



Fig. 121. Vertical Section through the Mitcous Membrane of the 

 end of Stomach and commencement of Duodenum. 



, Villi of duodenum; 6, a lymph follicle; c, Lieberkuhn's crypts: d, mucosa of 

 pyloric end of stomach : g, the alveoli of the pyloric. glands; t, the fame in 

 the submucosa: they are continued into the duodenum as . the Brunner'8 

 glands ; m, the muscularis mucoeaB. (Atlas.) 



