Rat And Human Astrocytes (IMAGE) Cell Press Caption This photo shows the morphology of a rat astrocyte and a human astrocyte in a dish. Credit Ye Zhang and Steven A. Sloan Usage Restrictions Credit Required. 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.