Zebrafish Developing Synovial Joint (IMAGE) University of Southern California Caption Cellular resolution image of the developing zebrafish jaw joint shows cartilage cells (red) beginning to acquire synovial characteristics (green). Credit USC/Gage Crump Lab Usage Restrictions Use caption and credit information as is. 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.