Zebrafish lymphangiogenesis (IMAGE) University of Münster Caption Developing lymph vessels in zebrafish: cells of the connective tissue (fibroblasts, green) express the protein VEGF-C and influence the migration of lymphatic endothelial cells (red). Credit Andreas van Impel Usage Restrictions Please use this picture only in connection with the press release. 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.