Swollen Mitochondria (IMAGE) Neural Regeneration Research Caption After pretreatment with 5-hydroxymethylfurfural, some mitochondria were swollen, but morphology was mostly normal in H2O2-injured rat hippocampal neurons (transmission electron microscope, × 4 000). Credit <i>Neural Regeneration Research</i> Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.