DISEASES OP THE DIGESTIVE SYSTEM. 171 



APHTELE. 

 What is the synonym ? 



Thrush; in the human subject it is called muguet, or sprue. 



Give the definition. 



It is an inflammation of the mouth, due to the growth of a 

 vegetable parasite called the didium albicans. 



What are the symptoms ? 



This affection occurs mostly in the young (foals, calves, lambs, 

 dogs, etc.); the mucous membrane of the mouth becomes inflamed, 

 small white spots are present, soon becoming vesicles, which rupture 

 and leave excoriations. 



What is the prognosis ? 



Good, as a rule. 



Give the treatment. 



Cleanliness and soft food are important; the use of mild as- 

 tringent and antiseptic solutions is usually beneficial. 



Any of the following drugs may be used, according to the case: 

 Potassium chlorate, potassium permanganate, copper sulphate, alum, 

 boric acid, silver nitrate, zinc sulphate. 



PAKOTITIS. 



What is the synonym ? 



Parotiditis; in man it is called mumps. 



Define parotitis. 



It is an inflammation of the parotid gland, and characterized 

 by fever and the local signs of inflammation. 



What are the causes? 



It is often due to germs; may be the result of an extension; 

 mechanical injuries; exposure to atmospheric changes may aid in 

 its development. 



How is parotitis diagnosed ? 



By the swelling of the gland, by pain on pressure, by fever, 

 in some cases difficulty of deglutition, and the deviation of the head 

 to one side. 



