Fig. 8

Photomicrographs of sections in the kidneys tissues of different groups of the African-Egyptian toad treated with different nanomaterials: (a) A section in the control group, showing normal histological structure of renal corpuscles (long arrow) and renal tubules (short arrow). (b) A section in the group treated with group D, showing mild vacuolar degeneration of renal tubular lining epithelium (arrow). (c) A section in the group treated with group E showing vacuolar degeneration and necrosis of renal tubular lining epithelium (arrow). (d) A section in the group treated with group B showing few mononuclear inflammatory cells infiltration (arrow). (e) A section in the group treated with group B showing mild degeneration of renal tubular lining epithelium (arrow). (f) A section in the group treated with group C showing severe vacuolar degeneration (short arrow) and necrosis of renal tubular lining epithelium (long arrow). (g) A section in the group treated with group C showing mononuclear inflammatory cells infiltration (arrow). (h) A section in the group treated with group F, showing few mononuclear inflammatory cells infiltration (arrow). (i) A section in the group treated with group G, showing few mononuclear inflammatory cells infiltration (arrow). (j) A section in the group treated with group H, showing normal histological structure of renal corpuscles (long arrow) and renal tubules (short arrow). (H & E X400)