Fat Cells (IMAGE) University of Bristol Caption Human fat stem cells have differentiated into adipocytes and stained with Oil Red O. Credit Dr. Mohamed Elrayess, Anti-Doping Laboratory Qatar Usage Restrictions Must credit Dr Mohamed Elrayess, Anti-Doping Laboratory Qatar 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.