302 NORMAL HISTOLOGY AND ORGANOGRAPHY. 



ovary is of a pale color and in early life is smooth and 

 even, but in later life it becomes rough and marked 

 by pits and scars. This is caused by the rupture of 

 Graafian follicles and the expulsion of ova. It is 

 covered by an epithelium which is continuous with 

 that of the peritoneum, but differs from the latter 



Fallopian lube. 



Ureth- 

 ral 



orifice. 

 Labia 

 niajora. 



Fig. 218. Diagram of female genitalia. 



in being lined by cubical cells instead of the simple 

 pavement variety. This ovarian epithelium is the 

 germinal epithelium of embryos, from which the ova 

 and the other epithelial cells of each Graafian follicle 

 are derived. The germinal epithelium rests upon a 

 rather dense investment of fibrous tissue, analo- 



