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Sequence of depolarization of atrial myocardium of the pig Sus scrofa domesticus

  • Comparative and Ontogenic Physiology
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Abstract

By the method of multichannel synchronous cardioelectrotopography, sequence of depolarization of intramural atrial layers was studied in representative of ungulate animals-pigs. In the pig atrial myocardium there is revealed a complex picture of spreading of activation fronts, connected with non-uniform anatomical structure and subendocardial (intramural) disposition of area of initial activation. The general character of sequence of depolarization of the pig atrial myocardium is comparable with carnivores (dog) and even-toed (ship) animals.

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Authors and Affiliations

  1. Laboratory of Comparative Cardiology, Komi Research Center, Ural Branch of the Russian Academy of Sciences, Syktyvkar, Russia

    S. L. Smirnova, I. M. Roshchevskaya & M. P. Roshchevskii

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  1. S. L. Smirnova
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  2. I. M. Roshchevskaya
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  3. M. P. Roshchevskii
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Correspondence to S. L. Smirnova.

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Original Russian Text © S.L. Smirnova, I.M. Roshchevskaya, M.P. Roshchevskii, 2012, published in Zhurnal Evolyutsionnoi Biokhimii i Fiziologii, 2012, Vol. 48, No. 4, pp. 386–389.

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Smirnova, S.L., Roshchevskaya, I.M. & Roshchevskii, M.P. Sequence of depolarization of atrial myocardium of the pig Sus scrofa domesticus . J Evol Biochem Phys 48, 452–456 (2012). https://doi.org/10.1134/S0022093012040093

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  • DOI: https://doi.org/10.1134/S0022093012040093

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