306 PRINOIPLEa OF YETEBINAET SUEGEBY 



What is understood by persistence of the urachus in coUs and 

 calves ? 

 At the time of birth, the fundus of the bladder closes a» 

 the navel string tears. Should this physiological process be 

 disturbed, the urine drips from the umbilical opening. 



What is the prognosis f 



Favorable. 

 What is the treatment ? 



Cauterization of the opening or closing it with a purse 

 suture. 



FEMALES. 



Olosv/re of the Vagina. — This condition, termed atresia 

 vagincB, when existing, is usually accompanied by an absence 

 or imperfect development of the uterus. The hymen may be 

 excessively developed and interfere with coitus. 



Digestive Apparatus. 



What is a hare-lip ? 



A gap in the continuity of the lip, being of foetal origin. 

 What is a deft palate ? 



A fissured state of the palate, being of foetal origin. 

 How is a hare-lip and deft palate formed ? 



The study of the development of the foetus teaches that 

 by the coalescence of various clefts, fissures peculiar to foetal 

 life are effaced. But when this union fails to take place, or ' 

 becomes imperfect, certain deformities, as the hare-lip or 

 cleft palate, remain. 



In what animals a/re the hare-lip and cleft paZate seen 9 

 Occasionally in the puppy and colt. 



