e="" class="an ">&ensp;</span>C <span  title="" class="an ">&ensp;</span>fibers <span  title="" class="an ">&ensp;</span>that <span  title="" class="an ">&ensp;</span>are <span  title="" class="an ">&ensp;</span>responsive <span  title="" class="an ">&ensp;</span>to <span  title="" class="an ">&ensp;</span>heat <span  title="" class="an ">&ensp;</span>and <span  title="" class="an ">&ensp;</span>bradykinin <span  title="" class="an ">&ensp;</span>These <span  title="" class="an ">&ensp;</span>findings <span