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Japanese

Action Potentials of the Shore-crab, Sesarma haematocheir (de Haan) H. Irisawa 1 , A.F. lrisawa 1 , I. Ninomiya 1 1Department of Physiology, School of Medicine, Hiroshima University pp.36-39
Published Date 1957/2/15
DOI https://doi.org/10.11477/mf.2425905930
  • Abstract
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 By the use of microelectrodes 0.5-1.0 micra in diameter, membrane resting and action potentials have been obtained from single fibers of the crab heart. Resting potential averaged 63.8±9.65 my and action potentials averaged 68.8±10.05 mv. In 204 instances, 119 showed an overshoot in their action potentials. The action potentials of this 119 instances averaged 71.6±9.55 my and resting potentials averaged 60.7±9.25 my, giving an average overshoot of 10 mv.

 The action potential was monophasic, with relatively rapid repolarization phase. Many action potentials show a small hump on the descending phase.


Copyright © 1957, THE ICHIRO KANEHARA FOUNDATION. All rights reserved.

基本情報

電子版ISSN 1883-5503 印刷版ISSN 0370-9531 金原一郎記念医学医療振興財団

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