OVARY OF HUMAN INFANT 



207 



(H.) 



3. The primordial ova of the surface epithelium. 



4. The projecting lines or chains of epithelium undivided. 

 (Here the cells seem rather elongated.) 



5. Chains which are in process of subdivision. 



6. Young Graafian follicles in columns at a right angle to 

 the surface of the ovary. 



7. The discus proligerus, in many instances still composed of 

 flattened cells. 



8. Follicles showing discus proligerus as columnar cells. 



9. Follicles showing great proliferation of discus pro- 

 ligerus. 



FIG. 129. SECTION OP OVARY OP CHILD. DEATH TEN DAYS AFTER BIRTH (X350). 



A. Germinal epithelium, covering surface of the ovary. 



B. Primitive ova. 



C. C. Projection of surface epithelium within the organ. 



D. Constriction of the projected chain or cord of epithelium and isolation of portions to 

 form Graafian follicles. 



E. Chain of Graafian follicles. The stroma is seen filled with previously formed follicles 

 which have now become isolated. 



F. A large Graafian follicle. It has been cut in half ; the ovum has fallen out, and' the 

 membrana grunulosa is seen lining the cup-shaped cavity. 



G. Large arteries of the central portion of the ovary. 



