INTERNAL SEXUAL TRANSFORMATIONS OVARY 



2I 7 



-^ - - ^v i\. 



- ^ ^>>^NX k 



'**L^? 



JRj^- 

 '/ 8P 



0- Thecafolliculi r 



^Stratum ' &p 



" gramdosum f / yg / 



w 



fol!ic!e 



membra " c 



A B 



FIG. 229. Primordial ova. and early stages in the development of the Graafian follicle (De Lee). 



, Cumulus oophorits Ovum 



Nudftls 



-Tunica externa 

 -Tunica interna 



Stratum granulosum 



FIG. 230. Graafian follicle and ovum from the ovary of a fifteen-year-old girl. X 30. 



