Zebrafish Developing Synovial Joint (image) University of Southern California Share Print E-Mail 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. Share Print E-Mail 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.