Electron microscopic study of left ventricular cardiomyocyte mitochondriom in rats subjected to head-down tilt

Bulletin of Experimental Biology and Medicine
T V LipinaYu S Chentsov

Abstract

The mitochondriom of left-ventricular cardiomyocytes in rats subjected to head-down tilt was studied at the electron microscopic level. The ultrastructure of individual mitochondria was disturbed and the number of intermitochondrial contacts in the perinuclear zone increased after 30-day head-down tilt. These parameters did not return to normal over 30 days after 30-day tilt. Repeated 14-day head-down tilt led to a more pronounced increase in the number of intermitochondrial contacts, mitochondria with abnormal ultrastructure were still observed.

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