Ovaries of rats hypophysectomized at 26-29 days of age and treated one week later, for 

 4 days, with gonadotropins to induce ovulation. H and E stain. (Magnifications x ^) 



Fig. 1. Whole ovary, in bursa, showing multiple corpora lutea of ovulation, residual large 

 follicles, some with luteinized walls enclosing their ova. A few ova, still surrounded by 

 granulosa cells, may be seen free in the bursa or within a distended loop of oviduct, x 27. 





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Fig. 2. Fimbriated end of oviduct and distended loop of oviduct, with ova. x91, 



