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What is nociception & how does it work?
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Nociceptors are free nerve endings that respond to damage to the body and send pain signals to the brain. Learn about the different types of nociceptors, how they classify pain, and how they transmit pain signals at different speeds.
A nociceptor (from Latin nocere 'to harm or hurt'; lit. '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.
Nociceptors are sensory fibers that respond to stimuli that are potentially damaging to the organism. In practice this can mean a variety of stimuli, ranging from intense pressure, extremes of temperature, to inflammation.
Sep 26, 2022 · Nociception refers to the central nervous system (CNS) and peripheral nervous system (PNS) processing of noxious stimuli, such as tissue injury and temperature extremes, which activate nociceptors and their pathways.
- Sarah Kendroud, Lauren A. Fitzgerald, Ian Murray, Andrew Hanna
- 2022/09/26
- 2019
Nociception refers to a signal arriving at the central nervous system as a result of the stimulation of specialised sensory receptors in the peripheral nervous system called nociceptors. Nociceptors are activated by potentially noxious stimuli, as such nociception is the physiological process by which body tissues are protected from damage.
May 1, 2023 · This article will consider the categories of acute and nociceptive pain together. Acute noxious stimuli (e.g., heat, cold, mechanical force, or chemical stimulation) trigger nociceptors.
The relatively unspecialized nerve cell endings that initiate the sensation of pain are called nociceptors (noci- is derived from the Latin for “hurt”) (see Figure 9.2).
