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Nociceptor
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==Location== In mammals, nociceptors are found in any area of the body that can sense noxious stimuli. External nociceptors are found in [[Biological tissue|tissue]] such as the [[skin]] ([[cutaneous nociceptor]]s), the [[cornea]]s, and the [[mucosa]]. Internal nociceptors are found in a variety of organs, such as the [[muscle]]s, the [[joint]]s, the [[Urinary bladder|bladder]], the visceral organs, and the digestive tract. The cell bodies of these neurons are located in either the [[dorsal root ganglia]] or the [[trigeminal nerve|trigeminal]] ganglia.<ref name = Jessell>{{cite book |author1=Jessell, Thomas M. |author2=Kandel, Eric R. |author3=Schwartz, James H. |title=Principles of neural science |publisher=Appleton & Lange |location=Norwalk, CT |year=1991 |pages=[https://archive.org/details/principlesofneur00kan/page/472 472β79] |isbn=978-0-8385-8034-9 |url-access=registration |url=https://archive.org/details/principlesofneur00kan/page/472 }}</ref> The trigeminal ganglia are specialized nerves for the face, whereas the dorsal root ganglia are associated with the rest of the body. The axons extend into the peripheral nervous system and terminate in branches to form receptive fields.
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