Animal Casteation 



177 



back to the body of uterus where the left cornua is eucountered. 

 By f ollowiug it upwards and backwards the left ovary is encoun- 

 tered and severed in like manner. 



9. A¥ithdraw the hand — containing both ovaries — with instru- 

 ment. When this is done the fibers of the internal and external 

 oblique abdominal muscles come together and anatomically close 

 the wound with the exception of the skin incision. 



10. With 3 interrupted sutures the skin incision is closed and 

 the operation is completed. (See Fig. 156.) 



Fig. 156 — The Skin Incision Closed by Three Interrupted Sutures. N, Sutures; O, Incision, 



Incision Illustrated and Explained — The exact method of in- 

 vading the abdominal cavity through the flank incision is of special 

 importance if successful spaying is to be done. Undoubtedly the 

 incision is the most important step of the whole operation. It is 

 made and closed as follows : (See Figs. 157, 158 and 159. Study 

 these illustrations carefully.) With knife in right hand the skin 

 incision G, G, (Fig. 157) is made. Thrust point of knife through 



