Qualitative changes in the ultrastructure of the ventricular myocardium of the embryos of the control
group (normal) and the experimental (effect of ethanol) on the various stages of postnatal ontogenesis in
normal and after the action of ethanol were compared in the article. For this study, methods of electron
microscopy were used, with the help of which electronic micrographs were obtained. The analysis of the
data showed significant differences in the ultrastructure of the contractile apparatus of cardiomyocytes
during the early stages of postnatal feeding of rats. It has been established that alcoholic andoxication
involves the contraction of sarcomers with subsequent fragmentation, disorientation of actin and myosin
threads. The degree of violation of the ultrastructure of the cardiomyocytes of the experimental group
depended on the period of postnatal development.
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Author Name: Marchenko D.G., Filimonova L.A.
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Keywords: ethanol, myocardium, myofibrils, sarcomer, the contractile apparatus.
ISSN: 2304-5809
EISSN: 2313-2167
EOI/DOI:
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