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Microscopic presentation of acetic acid-induced colitis in rats. (a) Normal colon treated with vehicle (2 mL/kg). (b) Control colitis treated with vehicle (2 mL/kg). (c) Colitis treated with prednisolone (4 mg/kg). (d) Colitis treated with mesalazine (100 mg/kg). (e) Colitis treated with AGHE (400 mg/kg). (f) Colitis treated with AGME (800 mg/kg). (g) Colitis treated with luteolin (20 mg/kg). H and E staining with ×40 magnification
