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Spinal and Medullary Dorsal Horn Mechanisms

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Abstract

The dorsal horn of the spinal cord is the first relay in the transmission of painful stimuli from the periphery to higher brain centers. Primary nociceptor terminals enter the dorsal horn and form synapses with projection neurons as well as both excitatory and inhibitory interneurons, primarily in laminae I and II. The dorsal horn also receives input from nuclei in the brainstem and other subcortical structures that facilitate or inhibit nociceptive transmission. All these interactions make the spinal dorsal horn a site of complex integration and modulation of nociceptive input.

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References

  1. Todd AJ, Koerber HR. Neuroanatomical substrates of spinal nociception. In: McMahon SB, Koltzenburg M, Tracey I, Turk DC, editors. Wall and Melzack’s textbook of pain. 6th ed. Philadelphia: Saunders; 2013. p. 77–93.

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Correspondence to Thomas S. McDowell .

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McDowell, T.S. (2019). Spinal and Medullary Dorsal Horn Mechanisms. In: Abd-Elsayed, A. (eds) Pain. Springer, Cham. https://doi.org/10.1007/978-3-319-99124-5_5

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  • DOI: https://doi.org/10.1007/978-3-319-99124-5_5

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-99123-8

  • Online ISBN: 978-3-319-99124-5

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