252 



BOVINE PATHOLOGY. 



cut off from tlio cavity of the rumen by the contraction of 

 a sphincter. When food has been pressed into the canal 



Fig. 48. — Gastric mass viewed from the left. a. (Esophagus. 5. Ramen. 

 c. Reticulum, e. Abomasum. f. Duodenum. 



Fio. 49. — Gastric mass viewed from the right, a. (Esophagu^s. i. Rumen. 

 c. Reticulum, d. Omasum, e. Abomasum. f. Duodenum. 



by contraction of the first and second stomachs a sufB- 



