Take note that below these situations there may be pain both with no stimulus or with an exceptionally gentle, non-tissue-harmful stimulus. Nothing at all is understood about how these stimuli activate nociceptors. The nociceptive nerve endings are so small and scattered that they are challenging to discover, not to https://tinybookmarks.com/story18168982/new-step-by-step-map-for-what-are-pain-receptors