SECTION IV 



The Male Gonads and Their 

 Diseases 



Anatomy, Embryology, Comparative Anatomy, and His- 

 tology of the Endocrine Components of the Testis . . 



E. V. Cowdry 



Anatomy Embryology Comparative Anatomy Histology Arrangement of 

 Cells The Xuclei Mitochondria Centrosomes Fat Inclusions Pig- 

 ment Eeticular Apparatus Chromidial Substance Crystalloid Inclu- 

 sions Specific Secretory Substances. [From the Anatomical Labora- 

 tory, Peking Union Medical College.] 



