PH. XXVII.] 



(ESOPHAGUS AND STOMACH. 



441 



longitudinally arranged unstriated muscle, called the muscularis 

 mucosce. The corium of the mucous membrane is composed of 

 fine connective tissue, which, towards the surface, is elevated into 

 papillae. It is covered with a stratified epithelium, of which the 



fig. 372. Section of the mucous membrane and submucous coat of the oesophagus. 



most superficial layers are squamous. The epithelium is arranged 

 upon a basement membrane. 



In newly-born children the corium exhibits, in many parts, the 

 structure of lymphoid tissue (Klein). 



THE STOMACH. 



In man and those Mammalia which are provided with a single 

 stomach, it consists of a dilatation of the alimentary canal 

 placed between and continuous with the oesophagus, which enters 

 its larger or cardiac end on the one hand, and the small intes- 

 tine, which commences at its narrowed end or pylorus, on the 

 other. It varies in shape and size according to its state of 

 distension. 



