Fig. 4From: Effects of anandamide in migraine: data from an animal modelMicrographs of representative sections of the paraventricular nucleus of hypothalamus (PVH) of rats treated with nitroglycerin (a) or pre-treated with anandamide (AEA) before receiving nitroglycerin (b), or treated with saline (c) or AEA (d)Back to article page