Figure 1: Photomicrography of histological sections of stomach lesions produced by acetic acid in middle-aged rats stained with H and E. Note the area of reorganization of board of lesion indicated by (#) and lesion area*. Vehicle (a), cimetidine (b), and Citrus aurantium (c). Asterisks indicate lumen of stomach in area with lesions induced by acetic acid in rats. Microscopy magnification 160x.