Cell Motility (IMAGE) University of California - San Diego Caption These frames of a video of a Dictyostelium discoideum cell crawling on a elastic substrate shows the magnitude of the stresses as color contours. Credit UC San Diego Usage Restrictions Credit: UC San Diego 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.