392 



CLINICAL VETERINARY MEDICINE AND SURGERY. 



region, due to a permanent hydronephrosis caused by obHteration or 

 closure of the left ureter. Catheters up to No. 5 could be passed'readily 

 when there was no engorgement of the corpus spongiosum ; but when 

 this was present (and the irritation of the urinary organs was apt to 

 produce it) even the smallest size would not pass the groove in the 

 penile bone until the hyperaemia was relieved by a few whiffs of chloro- 



FiG. 40.— a. Prostate, h. Bladder, c. Thickened ureter, d. Diseased kidney. 

 ('. Hypertrophied (otherwise normal) kidney. 



form. Human catheters were hardly long enough for this bull-dog, 

 and for a large dog would have been too short. 



It was resolved to keep the dog alive so long as he enjoyed his life 

 and did not suffer much pain. 



Treatment. — The bowels were regulated with gentle laxatives, 

 principally sweet oil, which was taken readily in milk and kept the 

 motions soft, and unloaded the bowels without purging or straining. 

 Occasionally the rectum was emptied with a warm, soap-and-water 



