15^ 



INTERNAL SECRETIONS 



diameter than in a normal testicle. The hypertrophy of the 

 remaining testicle was observed later by Sand and by myself. 

 Similar observations have been made in studying human 



Fig. 82. — Section through upper testicular fragment of giiinea 

 pig subjected to "complex" testicular section (Prot. Nr. 

 76; operation IV., Fig. 64). x 280. Stained with 

 Heidenhain. Operated at weight of 400 gr. ; fragment 

 removed about 4 months later. Increased number of 

 interstitial cells. Seminiferous tubules with only one 

 stratum of cells (cells of Sertoli). — Prepar. of Wagner; 

 photo of Kull. 



pathology. But. is this hypertrophy really a compensatory 

 one, i.e., is this hypertrophy related to an increased endocrine 

 function of the testicle necessary for the organism as a whole ? 

 That this is not the case is shown by our experiments, in which 



