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ELECTROMYOGRAPHIC STUDY OF THE EFFECTS OF CARBON DISULFIDE ADMINISTRATION ON SPINAL REFLEX Toshio Higashida 1 , Takeo Yamamoto 1 , Sumiko Shindo 1 1Dept. of Hygiene and Public Health, Kansai Medical School pp.253-260
Published Date 1959/4/1
DOI https://doi.org/10.11477/mf.1406200777
  • Abstract
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Carbon disulfide (CS2) is known as one of the industrial poisons which have affinity to nervous system. We have as yet very little informations as to the effects of CS2 on spinal reflex.

Studying the effects of an intravenous in-jection of CS2 (0.05-0.2cc/kg) on nociceptive reflex, stretch reflex and Magladery's M and H wave of the rabbit's hindlimb by means of electromyographic method in spinal, midbrain and intact rabbits, the following results were obtained.

1) In spinal rabbits, CS2 administration showed the depressant action on spinal reflex responses, the most potent on polysynaptic nociceptive, then on disynaptic group Ib ori-ginated from the Golgi tendon organs, the least potent on monosynaptic group Ia origi-nated from the annulospiral endings in the muscle spindles. So that, in spinal level, the neural circuits containing internuncial cells are more vuluerable to the effects of this chemical compound.


Copyright © 1959, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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