nociception

(noun)

The physiological process underlying the sensation of pain.

Related Terms

Examples of nociception in the following topics:

  • Localization of Pain

    • Nociceptive pain is caused by stimulation of peripheral nerve fibers that respond only to stimuli approaching or exceeding harmful intensity (nociceptors), and may be classified according to the mode of noxious stimulation; the most common categories are thermal (heat or cold), mechanical (crushing, tearing, etc.), and chemical (iodine in a cut, chili powder in the eyes).
    • Nociceptive pain may also be divided into visceral, deep somatic, and superficial somatic pain.

  • Pain Sensation

    • This process, called nociception, usually causes the perception of pain.
    • Nociceptive pain may also be divided into visceral, deep somatic and superficial somatic pain.

  • Spinal Cord Grey Matter and Spinal Roots

    • High-threshold channels have a possible role in nociception.
    • Also, the threshold of HT channels was lowered in the presence of PGE2 (a compound that sensitizes neurons to mechanical stimuli and mechanical hyperalgesia) which further supports a role for HT channels in the transduction of mechanical stimuli into nociceptive neuronal signals.

  • Integration of Signals from Mechanoreceptors

    • The nociceptive receptors (those that detect pain) are located near the surface.

  • Carpal Tunnel Syndrome

    • Pain in electrophysiologically verified CTS is associated with misinterpretation of nociception and depression.

  • Components of a Reflex Arc

    • For example, the withdrawal reflex (nociceptive or flexor withdrawal reflex) is a spinal reflex intended to protect the body from damaging stimuli.

  • Trigeminal (V) Nerve

    • The sensory function of the trigeminal nerve is to provide tactile, proprioceptive, and nociceptive afference to the face and mouth.

  • Somatosensation: Pressure, Temperature, and Pain

    • Touch receptors in the skin have three main subdivisions: mechanoreception (sense of pressure), thermoreception (sense of heat) and nociception (sense of pain).

  • Cutaneous Sensation

    • The somatosensory system is a diverse sensory system composed of the receptors and processing centers that produce the sensory modalities such as touch, temperature, proprioception (body position), and nociception (pain).

  • Overview of Sensation

    • Pain or nociception (physiological pain): Signals nerve and other tissue damage.