Gastric Ulcers in Middle-Aged Rats: The Healing Effect of Essential Oil from Citrus aurantium L. (Rutaceae)
Figure 5
Photomicrography of histological sections of stomach lesions produced by acetic acid in middle-aged rats using the immunolabeling by COX-2. Note the area COX-2 positive in (*). Vehicle (a), cimetidine (b), an Citrus aurantium (c). Microscopy magnification 640x.
