Example photomicrographs illustrating the expression in wild-type mice of D2receptor mRNA (green) in the CnF. The nuclear marker DAPI appears in blue. Yellow arrowheads illustrate example cells only positive for D2receptor mRNA, and white arrowhead illustrates example cells only positive for D1mRNA. Yellow arrows illustrate example cells positive both for D1receptor mRNA and D2receptor mRNA. Scale bars, 25 m.
