A Differentiating Cell (image) University of Veterinary Medicine -- Vienna Caption This image shows an embryonic stem cell differentiating into a neuronal cell. Credit Photo: Anne Rupprecht/Vetmeduni Vienna Usage Restrictions The photo may only be used in the context of the Vetmeduni Vienna. 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.