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词汇 nociceptor
释义

Definition of nociceptor in English:

nociceptor

noun ˈnəʊsɪˌsɛptəˌnōsēˈseptər
Physiology
  • A sensory receptor for painful stimuli.

    〔生理〕疼痛感受器

    the heat from eating chillies produces ‘nociceptor firing’
    Example sentencesExamples
    • Fish, like humans, have nociceptors which detect painful stimuli that respond to chemicals, heat and pressure.
    • When nociceptors detect a harmful stimulus - such as the hard surface that stubbed your toe - they relay their pain messages in the form of electrical impulses along a peripheral nerve to your spinal cord and brain.
    • The density of nociceptors may be lower in the ear than in the thumb, or the effect may be influenced by patients' perception, particularly as the patient cannot see the ear being tested.
    • Anti-inflammatory drugs may play an important role in perioperative pain management by reducing the inflammatory response in the periphery and thereby decreasing sensitization of the peripheral nociceptors.
    • The transduction of noxious stimuli begins with peripheral nociceptors.

Origin

Early 20th century: from Latin nocere 'to harm' + receptor.

Definition of nociceptor in US English:

nociceptor

nounˌnōsēˈseptər
Physiology
  • A sensory receptor for painful stimuli.

    〔生理〕疼痛感受器

    the heat from eating chilis produces “nociceptor firing”
    Example sentencesExamples
    • The density of nociceptors may be lower in the ear than in the thumb, or the effect may be influenced by patients' perception, particularly as the patient cannot see the ear being tested.
    • When nociceptors detect a harmful stimulus - such as the hard surface that stubbed your toe - they relay their pain messages in the form of electrical impulses along a peripheral nerve to your spinal cord and brain.
    • Fish, like humans, have nociceptors which detect painful stimuli that respond to chemicals, heat and pressure.
    • The transduction of noxious stimuli begins with peripheral nociceptors.
    • Anti-inflammatory drugs may play an important role in perioperative pain management by reducing the inflammatory response in the periphery and thereby decreasing sensitization of the peripheral nociceptors.

Origin

Early 20th century: from Latin nocere ‘to harm’ + receptor.

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