THE STOMACH 



277 



columnar or ciliated epithelium, which occur in occasional indi- 

 viduals on the surface of the esophageal mucosa, especially in its 

 upper third, are to be regarded as examples of irregular develop- 

 ment. 



THE STOMACH 



THE SEROUS COAT of the stomach is derived from the peri- 

 toneum. It is formed by a thin layer of subserous connective 

 tissue which is covered by endothelium. The serous coat supports 



Fli.. 'Jli'.t. KKOM A TKAV-l-.i II"N K THK \\.VI.I. <>F THK HUMAN STOMACH NEAU THE 



PYLOKIC ORIFICE. 



a, secretion ; 6, mucosa; c, submucosu ; </, the very much tliickeued muscular coat. The 

 serous coat was not included in the figure. Jletnatein and eosin. Photo, x 40. 



