



Figure 13. Benign mixed tumor obliterating ail normal tissue in ovary of a high dose female mouse 





Figure 14 Higher magnification of ovanan mixed tumor shown in Figure 13. The tumor consists of gonadal 

 stromal relis and tubules lined by cuboidal epithelium. The tubules appear to be adowngrowthofthe modified 

 mesotheiium covenng the surface of the ovary 



