Перегляд за Автор "Marcynovskyi, V. P."

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    Some features of the ultrastructure of the endothelium and capillaries of myocardium in the early postnatal development period of Wistar rats
    (Полтавський державний медичний університет, 2023) Zahoruyko, G. Ye.; Marcynovskyi, V. P.; Tsventukh, L. V.; Tsaturyan, O. H.; Filatova, V. L.; Matvienko, T. M.; Sargosh, O. D.; Загоруйко, Геннадій Євгенович; Марциновський, В. П.; Цвентух, Л. В.; Цатурян, О. Г.; Філатова, Валентина Луківна; Матвієнко, Таміла Миколаївна; Саргош, Оксана Дмитрівна
    The conducted studies demonstrate significant changes in the endothelium’s ultrastructure and myocardium`s blood capillaries during the postnatal development of Wistar rats. A series of images of the ultrastructure of blood capillaries of the myocardium of the left ventricle of rats of various ages allowed us to obtain information for further development and theoretical substantiation of the origin, mechanisms of formation of some intravasal and paravasal vesicles, which are found in ultrathin sections of pieces of the myocardium of animals. The article analyzes the possible functions of processes and lamellae, which are located on the lumenal surface of the vascular endothelium of blood capillaries of the myocardium. The role of apilar erythrocytes in the mechanisms of formation and gradual elongation of endotheliocyte cytoplasmic appendages, which later develop into blood capillary tubes, was investigated. Morphological manifestations of the development of physiological apoptosis of endotheliocytes in the blood capillaries of the myocardium of rats were identified and investigated.