Effect of KRGCD on histological evaluation in indomethacin-induced ulcer model. Sections of hematoxylin and eosin (HE) staining (a-d). Section through gastric mucosa in the sham treated group (a). Microscopic appearance of lesions induced by indomethacin in gastric mucosa pretreated with vehicle (b). Microscopic appearance of lesions pretreated with 30 mg/kg of KRGCD (c). Microscopic appearance of lesions pretreated with 300 mg/kg of KRGCD (d). Scale bar = 150 μm (upper micrograph) and 30 μm (lower micrograph).