Zebrafish Enteroendocrine - 1 (IMAGE) Duke University Caption Enteroendocrine cell (green) lies within the epithelium (red) that lines the intestines of a zebrafish larvae. Credit Duke University/Lihua Ye 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.