Figure 7.

Histopathologic examination of paw tissue of rats treated with EA, 5 h after injection of carrageenan (Carr). (a) Normal rats show the normal appearance of epidermis and dermis without any lesion. (b) Carrageenan-injected paw tissue in control group. Vasodilatation with edema, and migration of neutrophil were observed. (c and d) Carrageenan-injected paw of rats treated with EA (30 mg/kg, intraperitoneal [i.p.]) and indomethacin (5 mg/kg, i.p.), respectively. The migration of neutrophil and edema reduced. Sections were stained with H and E, ×40. 1: Neutrophil, 2: Edema, 3: Vessel