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Japanese

Pain Pathway Koji Inui 1 1Department of Integrative Physiology, National Institute for Physiological Sciences Keyword: nociception , nociceptor , spinal pathway , spinothalamic pathway , thalamocortical pathway pp.1215-1224
Published Date 2012/11/1
DOI https://doi.org/10.11477/mf.1416101334
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Abstract

 In 1967, Burgess and Perl discovered nerve fibers that specifically respond to noxious stimuli; since then, anatomical and physiological studies in animals, as well as humans, conducted using microneurography and non-invasive imaging techniques, have shown that there are nociceptive neurons in the dorsal root ganglion, spinal cord, thalamus, and cerebral cortex. Further, there are 2 main nociceptive pathways; one comprising nociceptive specific neurons in lamina I and another comprising wide dynamic range neurons in lamina V in the dorsal horn of the spinal cord. However, the roles of the 2 pathways in pain perception are still largely unknown. In this brief review, I intended to consider whether and how putative structures in the nociceptive pathway contribute to pain perception.


Copyright © 2012, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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