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Central projection of afferent signals from the periodontal mechanoreceptors. Keishiro KARITA 1 , Takayoshi TABATA 1 1Department of Physiology, Tohoku University School of Dentistry pp.760-768
Published Date 1993/10/10
DOI https://doi.org/10.11477/mf.1431900365
  • Abstract
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We have investigated the response properties of the periodontal mechanosensitive (PM) units recorded from the neurons in the primary afferents, trigeminal sensory nuclei, thalamic nucleus and somatosensory cortex in the cat. The response properties of the PM units, i.e., adaptation rate and directional selectivity to tooth stimulation, response field, size and laterality of the receptive field, changed progressively at each level of the central nervous system (CNS). The prominent changes occurred in the stage of the thalamus. We discussed how response properties of the PM units had changed on the respective levels of the CNS.


Copyright © 1993, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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