PRACTICAL CRYPTORCHID CASTRATION 63 



harmonious relation to other internal secretions, 

 upon the activity and metabolism of the various 

 systems of organs. This internal secretion is 

 elaborated largely if not entirely by groups of 

 epithelial cells embedded in the stroma of the 

 body of the testicle and not found in any part of 

 the epididymis. I have satisfied myself on the 

 proposition by leaving the epididymis in a few 

 castrated animals with negative effect. 



Complications That May Exist.— Occasion- 

 ally more or less difficulty is met with in bringing 

 the testicle through the opening and down the 

 canal. When one has located the cord and moder- 

 ate traction on it fails to bring the testicle into 

 the canal it is due to one of the following causes : 



1. An enlarged testicle, which hangs heavily 

 over the border of the ring. 



2. A partially descended testicle, the tail of 

 which is gripped by the contracted ring (this, of 

 course, should have been recognized previously). 



3. Adhesions of the testicle to the abdominal 

 wall at some point. 



In the presence of any of these complications 

 the first thing to do is to examine and diagnose 



