Nociceptor
Sensory neuron that detects pain / From Wikipedia, the free encyclopedia
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A nociceptor (from Latin nocere 'to harm or hurt'; lit.ā'pain receptor') is a sensory neuron that responds to damaging or potentially damaging stimuli by sending "possible threat" signals[1][2][3] to the spinal cord and the brain. The brain creates the sensation of pain to direct attention to the body part, so the threat can be mitigated; this process is called nociception.