Pancreatic Islet (IMAGE) Université de Genève Caption On the left, a pancreatic islet of a healthy mouse (in red, cells producing insulin). On the right, a pancreatic islet of an insulin deficient mouse (cells producing insulin are virtually absent). Credit © UNIGE 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.