148 



THE DISEASES OF THE DOG. 



of the stones. They are generally present in numbers, 

 so the pain is apt to recur. Administration of occasional 

 doses of podophyllin or calomel will be useful to prevent 

 stagnation of bile in the gall-bladder and duct, and its 

 consequent inspissation. 



The Pancreas of the dog is large and well developed, 

 being much more compact and well defined than that of 

 the horse. It is V-shaped and pours its secretion through 

 two main ducts into the bowel, one of which blends with 



Fig. 43. — Pancreas, after Gamgee. 

 h, d. Coats of the bowel. ». Cavity of duodenum. 



c, e,f, c', Te, V. Ducts of pancreas, 

 Openings of ducts into duodenum. 



p. Pancreas lobes. 



Bile-duct. 

 i, I, h, g. 



the common bile-duct. The secretion from the dog has 

 been obtained by tying a tube in the duct as exposed by 

 laparotomy, but "it is quite impossible to establish a 

 permanent pancreatic fistula like a permanent hepatic or 

 gastric fistula, for the tube falls out in the course of two 

 or three days, and the wound healing up, the animal 

 gradually recovers " (Gamgee). This organ has not been 



