Blood Vessel Network (IMAGE) University of Basel Caption This is a blood vessel network of the zebrafish during the remodeling phase. Some of the small thin branches will regress to form a simpler vessel pattern. Credit Biozentrum, University of Basel Usage Restrictions Give adequate attribution to the original author 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.