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. 2021 Feb 6;18(7):1680–1686. doi: 10.7150/ijms.53899

Figure 4.

Figure 4

Representative changes in rat myocardium under electron microscope post- EE. Exercise and trimetazidine alone or combined, improved mitochondrial autophagy post- EE. Electron microscope showed that the mitochondria number was significantly increased in the E, T, and TE groups post- EE. Mit: mitochondria; AV: autophagic vacuole; disc: myocardial disc.