Cartilage extraction (IMAGE) University of Basel Caption Damaged articular cartilage in the knee can be repaired in humans using cartilage cells from the nose. Credit University of Basel, Christian Flierl Usage Restrictions Only to be used in reporting on the related research 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.