Muscle and Myofibroblast (IMAGE) Instituto de Medicina Molecular Caption Confocal microscopy image showing the interaction of a myofibroblast (right side) with a muscle fiber (left side). Credit João Martins, iMM Usage Restrictions High resolution image is available upon request. 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.