Cotton Root Tip (IMAGE) Botanical Society of America Caption This is a mass of border cell-root cap mucilage covering a cotton root tip, 30 seconds after immersion into water. Credit Courtesy Gilberto Curlango-Rivera (University of Arizona, Tucson, Arizona), et al. Usage Restrictions Cite original publication and credit line. 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.