Ruffles (image) Johns Hopkins Medicine Caption Ruffles form on cells to help them crawl. These ruffles were formed from glowing pieces of cell skeleton. Credit Courtesy of the Inoue lab Usage Restrictions None 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.