STRUCTURE OF THE OVARY. 



165 



relations of the several parts just mentioned, as found in the 

 periphery of the mature ovary of Man or other large Mammal, 



Fig. 191. 



Fig. 191. From the ovarium of an old Bitch, representing a portion 

 of a sagittal section. Hartnack 3-4. a, Germ epithelium ; b 6, ovarial 

 tubes ; c c, younger follicles ; d, older follicle ; e, discus proligerus, 

 with egg ; /, epithelium of a second egg in the same follicle ; g, tunica 

 fibrosa folliculi ; h, tunica propria folliculi ; i, epithelium of the folli- 

 cle (membrana granulosa) ; k y collapsed, atrophied follicle ; I, vessels ; 

 m, m, cell tubes of the parovarium in longitudinal and transverse sec- 

 tion ; ?/, tubiform depression of the germ-epithelium into the ovarial 

 tissue ; z, commencement of the germ-epithelium close to the lower 

 border of the ovary. 



