Muscle Fiber Nuclei (IMAGE) Instituto de Medicina Molecular Caption This is a muscle fiber (green) and its several nuclei (purple) located at the periphery of the muscle cell. Credit Image and video: William Roman, Edgar Gomes Lab Concept and animation: Ana de Barros, iMM Lisboa 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.