Scaffold and Stem Cells (IMAGE) Washington University School of Medicine Caption A 3-D, biodegradable, synthetic scaffold has been molded into the precise shape of a hip joint. The scaffold is covered with cartilage made from stem cells taken from fat beneath the skin. Credit Guilak laboratory 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.