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The demarcational potential difference as a characteristic of the changing state of polarization of skeletal muscles at different age periods

  • Physiology
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Bulletin of Experimental Biology and Medicine Aims and scope

Summary

Experiments were carried out on rabbits of various ages. The authors investigated the value of the demarcation potential difference in the gastrocne mius muscle and the time interval until it vanishes. In adult rabbits the average value of the demarcation potential difference was 45–65 mv. The time interval until it disappeared equalled 6–8 hours. In rabbits under 10–12 days old this average value amounted to 6–11 mv, with the average time interval until its complete disappearance equalling 50–80 minutes. In rabbits aged from 12 days to 1–11/2 months these two figures were 25–35 mv and 3–4 hours.

The above data serve as additional characteristics of the changes occurring in the functional condition of the neuromuscular apparatus at various age periods.

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Authors and Affiliations

  1. Laboratory of Age Physiology and Pathology of the Institute of Normal and Pathological Physiology, AMN SSSR, Moscow

    I. I. Gokhblit & I. A. Kornienko

Authors
  1. I. I. Gokhblit
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  2. I. A. Kornienko
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Gokhblit, I.I., Kornienko, I.A. The demarcational potential difference as a characteristic of the changing state of polarization of skeletal muscles at different age periods. Bull Exp Biol Med 49, 125–128 (1960). https://doi.org/10.1007/BF00788771

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  • DOI: https://doi.org/10.1007/BF00788771

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