Symbiodinium Cells (IMAGE) The University of Hong Kong Caption Light and confocal images of Symbiodinium cells living in a host cell. Credit Allisonmlewis / CC BY-SA 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.