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  • Title: [Change in the myocardial capillary endothelium in the early periods after x-ray irradiation (an electron microscopic study)].
    Author: Stepanov RP.
    Journal: Arkh Anat Gistol Embriol; 1979 Nov; 77(11):80-6. PubMed ID: 518335.
    Abstract:
    According to the data of quantitative electron microscopic analysis in rats 1-48 h after total x-ray irradiation (450 rad) the number of microvesicles in endothelial capillaries decreases. Increasing size of the microvesicles and appearance of vacuoles does not compensate decreased total transport volume of these structures. After irradiation, in most capillaries the endothelial layer does not change its thickness; neither lesions in intracellular contacts nor formation of holes are observed. Both width of pericapillary zones and total volume of interstitial space in the myocardium do not change during the time of investigation.
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