Zebrafish vasculature (IMAGE) Optica Caption Using the new microscopy approach, the researchers acquired high-definition 3D images of the entire larval zebrafish vasculature with 3D cellular resolution. Credit Ji Yi, Johns Hopkins University Usage Restrictions None License Original 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.