Cultured Stem Cells (IMAGE) University of California - San Diego Caption This image shows colonies of human embryonic stem cells seen with a fluorescent microscope. Credit California Institute for Regenerative Medicine Usage Restrictions Must use photo credit as indicated. 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.