Table 1 Comparison of MOR-immunoreactivity between the MrD and patches of the neostriatum

Location

at the rostrodorsal part of the neostriatum

at the caudomedial portion of the neostriatum

MOR labelled nerve fibers

irregularly distributed in mosaic distribution patterns

dorsoventral parallel oriented fibers

MOR labelled neuronal somata

without seen

fusiform neuronal somatas with and their long axis dorsoventrally oriented