Fig. 6From: The role of mGlu4 receptors within the nucleus accumbens in acquisition and expression of morphine-induced conditioned place preference in male ratsadapted from Paxinos and Watson (Paxinos and Watson, 2007). aca, anterior commissure, anterior part; CPu, caudate putamen (striatum); gcc, genu of the corpus callosum; NAc, nucleus accumbens; scale is 1 mm. Both Fig. 1a and b shown are the authors' work. (Vehicle; n = 14 Treatment; n = 43, Misplacement; n = 7)Histology. a Coronal photomicrograph of the bilateral microinjection sites in the nucleus accumbens (NAc) and b schematic illustration of rat brain coronal sections showing the approximate location of the NAc injection sites. The numbers indicate the anterior–posterior coordinates relative to bregma. Atlas plates wereBack to article page