Figure 8.

Photomicrographs showing the ileum of (a) control rats with well-arranged villi and few inflammatory cells; (b) sodium arsenite-treated rats, showing hyperplasia of cells lining the glands (blue arrow, some nuclei appearing vesicular as well as increased nucleocytoplasmic ratio and inflammatory cell infiltration; (c) rats pretreated with Kolaviron (KV) 100 mg/kg showing hyperplasia of the crypts and mild inflammatory cell infiltration, and (d) rats pretreated with KV 200 mg/kg, showing only mild infiltration at the base of the mucosa