15(3 



Animal Castration 



A)iatviny — In order to spay mares satisfactorily it is essential 

 that a general idea of the anatomy of vnlva, vagina, nterus and 

 ovaries be possessed. Lack of space here forbids going into minnte 

 detail. However, the more important points will have attention. 



Vulva — The vnlva is the external opening of the genital and 

 nrinarv tracts. It is an ovoid slit sitnated in the perineal region 



Fig. 131— View of Internal Genitals. A, Rectum.; B, Vagina; C, Uterus; D, U, Cornua; 

 E, E, Ovaries; F, F, Broad Ligaments; G, G, Abdominal Walls. 



below the anis, and consists of two lips and two commissnres. The 

 space between the vulva below and the anis above is the perineum. 

 In a depression on its floor (Fossa Navicularis) lies the clitoris. 



