Figure 7: Histopathological photographs of coronal sections of brain after 30 min of occlusion and 1 h of reperfusion in bilateral common carotid arteries occluded rats. (A) Sham control, no ischemia (normal saline, 10 ml/kg, p.o.); (B) ischemic control (normal saline, 10 ml/kg, p.o.); (C) W. calendulacea (250 mg/kg, single dose/day, p.o.) + ischemia; (D) W. calendulacea (250 mg/kg, double dose/day, p.o.) + ischemia; (E) W. calendulacea (500 mg/kg, single doses/day, p.o.) + ischemia; (F) W. calendulacea (500 mg/kg, double doses/day, p.o.) + ischemia