pan  title="" class="an ">&ensp;</span>root <span  title="" class="an ">&ensp;</span>ganglion <span  title="" class="an ">&ensp;</span><span  title="Neuron" class="an Neuron">neurons</span><span  title="" class="an ">&ensp;</span>and <span  title="" class="an ">&ensp;</span>by <span  title="" class="an ">&ensp;</span><span  title="Neuron" class="an Neuron">cells</span><span  title="" class="an ">&ensp;</span>of <span  title="" class="an ">&ensp;</span>the <span  title="" class="an ">&ensp;</span>inner <span