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Ultrastructural Organization of Capillaries in Various Compartments of the Dog Heart in Artificial Immersion Hypothermia

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Similarity of the structural characteristics of perfusion capacity of right-atrial and leftventricular capillaries of the dog heart in health were detected, the capillaries differing significantly by size and by the majority of the morphometrical values. Exposure of animals to hypothermia induces different ultrastructural responses of the capillaries in two compartments of the heart: the perfusion characteristics of the right atrium deteriorate and the morphometrical parameters of endotheliocytes change, while in the left ventricle the population composition of endothelial cells changes significantly (the percentage of cells of the main type reduces, while the share of dark cells increases).

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Authors and Affiliations

  1. E. N. Meshalkin Institute of Circulatory Diseases, Rosmedtechnologies, Novosibirsk, Russia

    G. M. Kazanskaya & A. M. Volkov

  2. Institute of Regional Pathology and Pathomorphology, Siberian Division of the Russian Academy of Medical Sciences, Novosibirsk, Russia

    L. M. Nepomnyashchikh & E. L. Lushnikova

Authors
  1. G. M. Kazanskaya
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  2. L. M. Nepomnyashchikh
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  3. E. L. Lushnikova
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  4. A. M. Volkov
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Corresponding author

Correspondence to E. L. Lushnikova.

Additional information

Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 147, No. 2, pp. 211-216, February, 2009

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Kazanskaya, G.M., Nepomnyashchikh, L.M., Lushnikova, E.L. et al. Ultrastructural Organization of Capillaries in Various Compartments of the Dog Heart in Artificial Immersion Hypothermia. Bull Exp Biol Med 147, 249–254 (2009). https://doi.org/10.1007/s10517-009-0486-2

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  • DOI: https://doi.org/10.1007/s10517-009-0486-2

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