
Keywords: AC; anterior cingulate cortex; BA; brodman area; BDA; biotinylated dextran amine; DAB; diaminobenzidine; HRP; horseradish peroxidase; IL; infralimbic cortex; LH; lateral hypothalamus; mPFC; medial prefrontal cortex; OX1R; type 1 orexin receptor; PBS; phos