Research Article

Histopathological Profiles of Rats (Rattus norvegicus) Induced with Streptozotocin and Treated with Aqueous Root Extracts of Ruellia tuberosa L.

Figure 2

Histopathology of the pancreas in (a) the normal control group; (b) the diabetic control group; (c) diabetic rats treated with 250 mg/kg extracts; (d) diabetic rats treated with 500 mg/kg extracts; and (e) diabetic rats treated with metformin 200 mg/kg, with 600× magnification. Black arrows show beta cells; yellow arrows show Langerhans islet.
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