="an ">&ensp;</span>the <span  title="" class="an ">&ensp;</span>rat <span  title="" class="an ">&ensp;</span>spinal <span  title="" class="an ">&ensp;</span><span  title="BrainRegionP" class="an BrainRegionP">dorsal</span><span  title="BrainRegionP" class="an BrainRegionP">&ensp;</span><span  title="BrainRegionP" class="an BrainRegionP">horn</span><span  title="" class="an ">&ensp;</span>slice <span  title="" class="an ">&ensp;</span>The <span  title="" class="an ">&ensp;</span>effects <span  title="" clas