50 



DISEASES OF THE DIGESTIVE APPARATUS. 



generally forms abscesses which open, the pus (scapes, and the 

 sore heals up in a short time. The submaxillary generally breaks 

 through the skin and the sublingual into the cavity of the mouth. 

 Q'here is never any serious consequences in any of these cases. 



Fig. 17. 



Glands of the head : 1, parotid gland ; 2, submaxillary gland ; 3, subzygomatic gland ; 

 4, Wharton's duct ; 5, Bartholin's duct ; 6, palatine gland ; 7, orbital gland ; 8, Nuckian 

 duct ; 9, lachrymal gland. 



Therapeutics. In the primary form of parotitis, where we 

 do not have the formation of an abscess, we obtain good results 

 with warm applications. Keep the animals as quiet as possible, 

 and then rub on ointments, such as vaselin and yellow oxide of 

 mercury. 



As soon as we see that the swelling is not going down within a 

 certain time, but increasing gradually, we must try and open the 

 abscess as soon as possible and allow the pus to escape. If fluc- 

 tuation can be felt, cut down on that point; but if not, the skin 

 and fascia have to be carefully cut in the dependent portion, 

 making a good-sized opening. The gland is now exposed, the 

 pus can be detected and opened,, a drainage-tube inserted and 



