[Lengthwise splitting of myocardial cells and nuclei].
Arkh Anat Gistol Embriol, 1979/2;76(2):34-8.
PMID: 155441
Abstract
A possibility of a peculiar method for division of myocardial cells and nuclei--longitudinal splitting--has been studied in hypertrophic hearts of 19 corpses. Morphological examination of the myocardium (separate weighing of the cardiac ventricles, measuring of myocardial components and muscular fibres in microphotos of transversal sections) has not revealed any signs of longitudinal fibres splitting: their average thickness either increase or remain the same with growth of muscular mass, and per cent of thin and thick fibres remains within limits of unreliable fluctuations. Analysis of serial transversal sections of muscular fibres and their micrometry confirm the reality of longitudinal splitting of the nuclei which is realized through several steps and depends on the degree of hypertrophy of muscular fibres.
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