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Understanding Noxious Stimuli and Pain Perception: The Role of Afferent Fibers and Reflex Arcs

This article explores the mechanisms by which noxious stimuli are transmitted through afferent sensory fibers to the spinal cord, contributing to pain perception. It delves into the function of ion channels in nerve impulses, the spinal cord's junctions, and the role of reflex arcs in response to painful stimuli. By examining these processes, we gain insights into pain management and the neurological underpinnings of reflex actions. A comprehensive audiogram is also provided to illustrate reflex responses and sensory processing.

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Understanding Noxious Stimuli and Pain Perception: The Role of Afferent Fibers and Reflex Arcs

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Presentation Transcript

  1. 1. Noxious stimulus

  2. 2. Impulse transmission

  3. 3. Afferentsensoryfibers

  4. 4. Spinal cordjunctions

  5. 11. pain perception

  6. A3.Ion channels

  7. 4Reflexe achileenbilan complet2

  8. Arc réflexe à légender

  9. Audiogramme

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