nociceptor

nociceptor
A peripheral nerve organ or mechanism for the reception and transmission of painful or injurious stimuli. [noci- + L. capio, to take]

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no·ci·cep·tor -'sep-tər n a receptor for injurious or painful stimuli: a pain sense organ

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n.
a receptor that responds to the stimuli responsible for the sensation of pain. Nociceptors may be interoceptor, responding to such stimuli as inflammation, or exteroceptor, sensitive to heat, etc.

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no·ci·cep·tor (no″sĭ-sepґtər) [noci- + -ceptor] a receptor for pain caused by injury to body tissues; the injury may be from physical stimuli such as mechanical, thermal, or electrical stimuli, or from chemical stimuli such as the presence of a toxin or an excess of a nontoxic substance. Most nociceptors are in either the skin (cutaneous n's) or the walls of viscera (visceral n's). nociceptive adj

Medical dictionary. 2011.

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Look at other dictionaries:

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  • Nociceptor — A nociceptor is a sensory receptor that responds to potentially damaging stimuli by sending nerve signals to the spinal cord and brain. This process, called nociception, usually causes the perception of pain. Contents 1 History 2 Location 3… …   Wikipedia

  • nociceptor — noun Date: 1967 a receptor (as in the skin) for nociceptive stimuli ; a pain sense organ …   New Collegiate Dictionary

  • Nociceptor — Ein Nozizeptor (von lat. nocere „schaden“) – auch als Nozirezeptor bezeichnet – ist ein Rezeptor, der auf eine drohende oder eingetretene Verletzung des Körpergewebes reagiert. Entsprechend ihrem Axondurchmesser und ihrer spezifischen… …   Deutsch Wikipedia

  • nociceptor — Pain receptor. Many nociceptors respond to capsaicin …   Dictionary of molecular biology

  • nociceptor — no·ci·cep·tor (nō sĭ sĕpʹtər) n. A sensory receptor that responds to pain.   [Latin nocēre, to hurt; see nocent + receptor.] * * * …   Universalium

  • nociceptor — noun A sensory receptor that sends signals that cause the perception of pain in response to a potentially damaging stimulus. See Also: nociception …   Wiktionary

  • nociceptor — [ nəʊsɪˌsɛptə] noun Physiology a sensory receptor that reacts to painful stimuli. Derivatives nociceptive adjective Origin early 20th cent.: from L. nocere to harm + receptor …   English new terms dictionary

  • nociceptor — no·ci·cep·tor …   English syllables

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