To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 5 3D rendering movie from confocal images of the BrdU-stained embryo at tailbud stage 19.BrdU-positive cells (green) are merged with DIC image of the same embryo. Ciona embryonic tail bending is driven by asymmetrical notochord contractility and coordinated by epithelial proliferation Qiongxuan Lu, Yuan Gao, Yuanyuan Fu, Hongzhe Peng, Wenjie Shi, Bo Li, Zhiyi Lv, Xi-Qiao Feng, and Bo Dong Development 2020. 147:None-None; doi: 10.1242/dev.185868 Download Original Video