Cartilage graft (IMAGE) University of Basel Caption In the operating theater, the graft is tailored to the shape and size of the cartilage defect in the knee. Credit University of Basel, Christian Flierl Usage Restrictions Only to be used in reporting on research by the University of Basel and University Hospital Basel. License Original 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.