Figure 4. Photomicrograph from testicular tissues. Control group exhibits typical seminiferous epithelium; CP group shows vacuolization (V) and sluing (S) of the germinal epithelium, and extensive degenerative changes (D); The CP+ZG10 and CP+ZG20 groups shows moderate degenerative changes and vacuolization in g; and CP+ZG40 group displays minimal degenerative changes and vacuolization in the germinal epithelium. ZG40 group shows typical germinal epithelium. H&E staining; Magnifications: ×250.