TWITCH — URINARY TROUBLES 



veterinary surgeon should be obtained. Tumours are of 

 various sorts — viz. fatty tumours, which usually attack old 

 dogs ; fibrous tumours, generally to be seen on the limbs 

 and jaws as a result of some injury ; fibro-cystic tumours, 

 which are mostly situated on the elbows, and are caused 

 by the dog lying on a hard bed ; and osseous tumours 

 which are hard, bony growths on the hocks and fore- 

 joints. 



Twitch. (See C/iorea, Distemper.) 



u 



Underhung. — When the lower row of front teeth 

 project in front of the upper ones the dog is said to be 

 underhung. 



Undershot. (See Underhung^ 



Unsoundness. (See Soundness.) 



Up-face. — The formation which results from the nose 

 receding, as in the case of the bulldog. (See Lay-back^ 



Urinary Troubles occasionally affect the dog, the most 

 common being an inability to hold water. This is occa- 

 sionally due to timidity, but may be caused by a weakness 

 of the bladder, in which case a reference to ^^ The Dog's 

 Medical Dictionary " (Routledge & Sons) will provide some 

 very useful information. It may also be a symptom of 

 stone, in which case it must be regarded as serious. 



If there is a difficulty in passing water, and this in- 

 creases, it may be necessary to pass a catheter up the 

 penis in order to allow it to escape, and for this pro- 

 fessional advice should be secured without delay. When 



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