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.