INJURIES IN" THE REGION OF THE MOUTH. 253 



is heir. Treatment is a matter of considerable difficulty. The 

 nse of the speculum will assist in getting at the parts to try the 

 effects of a suture or two. The head should be steadied by an 

 assistant. In some cases it may be necessary to use the hot iron 

 to arrest the hemorrhage. Acupressure is a successful way of 

 arresting hemorrhage. 



PARALYSIS OF THE LIPS. 



This is generally seen in horses that are compelled to wear 

 heavy bridles. The lip hangs elongated, flaccid and powerless. 

 When drinking, he pushes 

 his nose into the water up 

 to his eyes. This affection 

 is due to injury to the 

 seventh pair of nerves. 

 The lip is often drawn 

 to one side from the fact 

 that one nerve only is 

 affected. 



TEEATME^'T. R C Ul O VO 



all pressure from the head 



IX T-c 4.1, • 1 • Fig. 72 — Paralysis of the Lip. 



and lace, it the ammal is ^ 



tied in the stall by a head halter, this must be removed and 

 replaced by the neck strap, or, what is better, turned loose in a 

 box stall. The food should be soft. Fomentations and the cam- 

 phorated liniment should be applied to the masseter region. If 

 this sliould prove ineffectual the biniodide of mercur)' ointment 

 should l)e tried — one part of mercury to four or five parts of lard. 



AFFECTIONS OF THE DUCTS AND GLANDS OF THE MOUTH. 



Open Parotid Duct. — Steno's duct winds round the inferior 

 maxillary bone, in company with the submaxillary artery and 

 veins, and enters the mouth between the second and third upper 

 molar teeth. It conveys the saliva into the mouth. It is liable 

 to be opened by direct violence, or from ulceration of its coats 



