288 PEINCIPIJIS OF TETERINAEY SUEGEET 



borhood it is termed furuncle (boil) ; finally, a carbuncle may 

 be said to be a collection of furuncles. 



What is the seat of predilection of furuncles in animals ? 



All those parts exposed to meclianical irritations, as in the 

 dog, the neck and nose, and in the horse those regions exposed 

 to harness pressure. 



Outline the treatment of furuncles. 



In the formative stage, warm, moist fomentations j later, 

 the abscess is to be opened and the necrotic center, the core, 

 as it is commonly termed, must be removed ; next, disinfec- 

 tion and subsequent antiseptic treatment. 



What is gangrenous dermatitis ? 



It is an inflammatory condition of the skin, leading to 

 necrosis of the affected skin. 



What are the most common causes of gangrenous dermatitis ? 



Burns, scalds, caustics, cold, infectious agents. 

 Where is gangrenous dermatitis often seen ? 



As, a result of saddle pressure and in the flexion surface 

 of the fetlocks, representing a certain form of eczema 

 (scratches). 



What is chronic hyperplastic dermatitis ? 



A chronic inflammation of the skin and subcutis charac- 

 terized by connective tissue proliferation of the skin and sub- 

 cutis. 



Under what other name is chronic hyperplastic dermatitis 

 Jcnown ? 

 Elephantiasis. 



What is the etiology of elephantiasis ? 



It is the result of chronic inflammatory processes, most 



