1. The excess blood, or edema, can activate pain receptors at the tissue. 2. CIPA, are hereditary disorders that are characterized by malfunctioning or nonfunctioning pain receptors . 3. :I don't know, but I know a few people have no pain receptors . 4. :: But there aren't any pain receptors in the brain, right? 5. The beam reaches pain receptors a fraction of an inch under the skin. 6. Free nerve endings are the pain receptors for protection of the temporomandibular joint itself. 7. Researchers Find New Pain Receptor , Pointing Way to New Treatment 8. Is that like their pain receptors are less sensitive ( responsive ) than ours? 9. The parietal lobe integrates pain receptors ), relay through the thalamus to the parietal lobe. 10. Inappropriate, spontaneous firing in pain receptors has also been implicated as a cause of dysesthesia.