Enveloping Layer in Zebrasfish (IMAGE) Institute of Science and Technology Austria Caption The image depicts a small region of the zebrafish enveloping layer, the early embryonic skin made of squamous epithelial cells. Credit © Heisenberg Group, 2012 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.