Abstract
Hyperplastic processes in mitochondria of heart-muscle cells of albino rats during administration of toxic doses of adrenalin were studied experimentally. Electron-microscopic investigation revealed three types of mitochondria. Those of the first type had dimensions and structure characteristic of myocardial muscle cells. Those of the second type had an extremely dense, finely granular matrix and many cristae per unit area. Mitochondria of the third type had two “compartments” differing in the density of their matrix and the arrangement and number of their cristae under a common outer membrane. It is postulated that the ultrastructural differences between the mitochondria of these three types reflect their functional state.
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Mitin, K.S., Kleimenova, N.N. Hyperplastic processes in mitochondria of heart-muscle cells after administration of toxic doses of adrenalin. Bull Exp Biol Med 80, 822–825 (1975). https://doi.org/10.1007/BF00809903
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DOI: https://doi.org/10.1007/BF00809903