Human Skeletal Stem Cell-Derived Ossicle (IMAGE) Cell Press Caption This image shows a single human skeletal stem cell-derived ossicle (yellow indicates bone, blue indicates cartilage, red indicates marrow). Credit Chan and Longaker <em>et al.</em> Usage Restrictions Credit Required 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.