100 INTERNAL SECRETIONS OF THE OVARY 



ovariectomy. Haterius (282), denying the possibility of the 

 reformation of ovarian tissue from the coelomic epithehum, 

 considered such an explanation to cover all reported cases. 



8-f' 



* • ' ' '■' -i^, ' ■* .***-V^*5^r».. '^ \ * ' 



Fig. 43. — Ovarian Tissue re-formed after double Ovariectomy 



IN THE Mouse. 



The completeness of the original operation was checked by serial 

 sectioning of the ovaries removed. 



c.l. corpus luteum; g.f. Graafian follicle; o. oocyte. 



Parkes, Fielding, and Brambell (510), however, were able 

 to show quite definitely, by serial histological examination 

 of the organs removed at the time of operation, that ovarian 

 tissue may sometimes reappear after complete excision of the 



