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Comparative physiology of unstriated cardiac, and striated muscles

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Proceedings / Indian Academy of Sciences

Summary

  1. 1.

    Unstriated, cardiac and striated muscles show differential action of substances on the excitability to electrical stimulation and potassium.

  2. 2.

    The response to nervous stimulation and acetylcholine may be similarly or oppositely affected.

  3. 3.

    Muscle shows adaptation to temperature.

  4. 4.

    Tonus may be shown by three kinds of muscle; one kind of tone in unstriated muscle is similar to the contracture of striated muscle.

  5. 5.

    In all the three kinds of muscle, twitch is antagonistic to contracture; a synergistic contracture also occurs.

  6. 6.

    In some instances, there is a gradation in the properties of unstriated, cardiac and striated muscles.

  7. 7.

    Adaptation to electric current is more rapid in unstriated than in striated muscle.

  8. 8.

    Many drugs and ions act similarly on the three kinds of muscle.

  9. 9.

    Many agencies affect excitation and inhibition similarly.

  10. 10.

    The properties ofMytilus muscle and the motor end plate of striated muscle are in many respects similar.

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Authors and Affiliations

  1. Department of Physiology, Dow Medical College, Karachi

    Inderjit Singh

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  1. Inderjit Singh
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Singh, I. Comparative physiology of unstriated cardiac, and striated muscles. Proc. Indian Acad. Sci. 23, 58–72 (1946). https://doi.org/10.1007/BF03049511

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  • DOI: https://doi.org/10.1007/BF03049511

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