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en.wikipedia.org/wiki/Nociceptor

A nociceptor is a type of receptor at the end of a sensory neuron's axon that responds to damaging or potentially damaging stimuli by sending possible threat signals to the spinal cord and the brain. If the brain thinks the threat is credible, it creates the sensation of pain to direct attention to the body part, so the threat can  ...

nba.uth.tmc.edu/neuroscience/s2/chapter06.html

6.1 Pain Receptors. Pain is termed nociceptive (nocer – to injure or to hurt in Latin), and nociceptive means sensitive to noxious stimuli. Noxious stimuli are stimuli that elicit tissue damage and activate nociceptors. Nociceptors are sensory receptors that detect signals from damaged tissue or the threat of damage and ...

medical-dictionary.thefreedictionary.com/Pain+receptors

Looking for online definition of Pain receptors in the Medical Dictionary? Pain receptors explanation free. What is Pain receptors? Meaning of Pain receptors medical term. What does Pain receptors mean?

www.bayareapainmedical.com/pnrcptr.html

Pain receptors are specialized nerve endings located throughout the body in most body tissues. They transmit pain from injury, disease, movement or environmental stress. These specialized nerve endings are stimulated by release of pain producing chemicals that arise from local blood vessels, connective tissue cells ...

www.wisegeek.org/what-are-pain-receptors.htm

Oct 21, 2017 ... Pain receptors are sensors found on free nerve endings throughout the body. Activated by a painful stimulus, pain receptors...

www.ncbi.nlm.nih.gov/pmc/articles/PMC2964977

Nov 1, 2010 ... Activation of nociceptors requires that adequate stimuli depolarize peripheral terminals (producing a receptor potential) with sufficient amplitude and duration. This ensures that despite any attenuation and slowing of the receptor potential by passive propagation between the sites of transduction and action ...

biology.stackexchange.com/questions/3737/if-the-brain-has-no-pain-receptors-how-come-you-can-get-a-headache

Oct 1, 2012 ... Brain, indeed, cannot feel pain, as it lacks pain receptors (nociceptors). However, what you feel when you have a headache is not your brain hurting -- there are plenty of other areas in your head and neck that do have nociceptors which can perceive pain, and they literally cause the headaches.

neuroscience.stanford.edu/news/pain-brain

Nov 10, 2015 ... “How can the brain think that the brain itself hurts (e.g., during a headache)? I don't understand how the brain could even understand the concept of the brain hurting (i.e., have the machinery for concluding that the brain itself hurts), since the brain has no pain receptors. I guess stranger things have ...

science.howstuffworks.com/life/inside-the-mind/human-brain/pain.htm

Pain center reception -- The brain receives the information for further processing and action. Nociception uses different neural pathways than normal perception ( like light touch, pressure and temperature). With nonpainful stimulation, the first group of neurons to fire are normal somatic receptors. When something causes ...