To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1. Time-lapse spinning disc confocal microscopy of a single endothelial cell in a Tg(fli1a:EGFP-BC1) embryo during the formation of the CCV at 36 hpf (related to Fig.1). A β-catenin chromobody-based probe highlights endothelial maturation during vascular morphogenesis in vivo Sébastien Gauvrit, Shengnan Zhao, Ulrich Rothbauer, and Didier Y. R. Stainier Development 2024. 151:None-None; doi: 10.1242/dev.202122 Download Original Video