26 



INTERNAL SECRETIONS 



Fig. 17. — Histological features of the uterus of normal and castrated rabbits 

 (Prot. Nr. 129 and Nr. 126, both of same litter). 



A. Section through uterus; low magnification. All layers of the 

 uterine wall (mucosa, muscularis) are highly reduced in the 

 castrated animal. 



