THE URINARY ORGANS. 793 



DIABETES. 



This is usually an effect of indigestion, or of the excessive use of 

 diuretic medicines, and is more property a symptom of disease than 

 a disease itself. 



Pig. 1044.— Urethral Canal of the Ox. 



a, Bladder; b, Urethra; c, Curves of the urethral canal; d, Retractor muscle of the penis. 



Symptoms. — Copious discharge of urine, -which is usually of a 

 different color and density from the healthy secretion, being clear 

 and transparent. There is wasting of the body, and marked weak- 

 ness, which is often the first symptom to be observed. The appetite 

 is ravenous, but depraved ; there is excessive thirst, the bowels are 

 irregular, and the coat is staring. 



Treutment. — There should be an immediate change of diet. The 

 profuse urination must not be too hastily checked, and the animal 

 should be allowed a free supply of food and drinking-water. The 

 tone of the digestive organs •'must be restored. Give the following 

 combination : — I 



Epsom salts .12 oz. 



Extract of taraxacum .....} " ' 



Gentian ' .1 " 



Ginger .1 " 



Mix the last three ingredients in a mortar, and rub them to a pow- 

 der. Mix with the salts and administer in linseed mucilage. 



To allay the morbid thirst, give on an empty stomach every 

 morning -— , : 



Iodine. — H dr. 



Iodide of potassium , . .2 " 



Infusion of quassia 1 pt. 



RETENTION. ,OF URINE. 



This occurs more often in males than in females, owing to the 

 different arrangement of the urethral canal. It is due to various 

 causes, and is frequently a symptom of other diseases. It requires 

 immediate attention ; for its continuance threatens rupture of the 



