Table 2.
Pathological alteration of ovaries and uterus of rats exposed to ZnO NPs.
| ||||||
Tissue | Ovary | Uterus | ||||
Groups | Hyperemia | Inflammatory cell infiltration | Increase corpus Luteum | Fibrosis | Epithelial destruction | Gland hyperplasia |
Control | – | – | – | – | – | – |
Sham | – | – | – | – | – | – |
ZnO NPs dose | ||||||
4 mg/kg | – | – | – | – | – | – |
8 mg/kg | – | – | – | – | – | – |
25 mg/kg | + + | + + | – | – | ||
50 mg/kg | + + | + + | – | – | ||
100 mg/kg | ++ | ++ | + ++ | + + | ||
200 mg/kg | + ++ | – | ++ | + ++ |