Mitochondria of Liver Cells (IMAGE) Université de Genève Caption Mitochondria of liver cells by electronic microscopy. On the left, normal mice: mitochondria present an elongated shape. On the right, mice without the OPA1 protein: mitochondria present an altered globular form. Credit © UNIGE 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.