CHAPTER IV. 



THE STOMACH. THE GASTRIC JUICE. INTESTINAL 

 DIGESTION. 



luapaction of the stomach in dogs. Impaction of the crop in birds. Para- 

 sites in the stomach. Spiroptera. Amphistomum conicum. Strongylus 

 Contortus. The horse hot. The effects of bots on the health of horses. 

 Solvent function of the stomach. Movements of stomach. Mucous 

 Membrane Gastric glands. Gastric juice. Gastric Fistulee. Chemi- 

 cal composition and action of the gastric juice. Its action on the coats of 

 the stomach. Functional and structural disease of stomach. Dilatation 

 and Contraction. Dyspepsia. Gastritis. Poisons. Animal Irritants. 

 Naphtha and fish oil. Cantharides. Souse. Vegetable irritants. 

 Metallic irritants. Non-metallic irritants. Gastrorrhcea. Intestinal 

 digestion. Small intestine. Its coats and glands. Large intestine. 

 Movements of the intestine. The liver. Bile. The pancreas. Pan- 

 creatic juice. Intestinal secretions. Solution of food in the intestines. 

 Absorption. Excrements. Production of concretions. Stercoral masses. 

 Phosphatic calculi. Dust balls. Mixed calculi. 



IMPACTION OF THE STOMACH IN DOGS. 



THE state of repletion so frequently seen in the horse, and 

 which I have discussed in the foregoing chapter, is occasionally 

 met with in the dog, and even in the cat. It is unknown 

 amongst well-kept hounds, and is only rarely seen even in 

 pampered lap-dogs. The readiness with which the act of 

 vomiting occurs in these animals usually acts as a preventative 

 to that over-distention when the stomach cannot act, and the 

 mass within it remains unchanged and unmoved for a con- 



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