To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 3 Time-lapse movie shows the development of the cutting tail.Movie duration is for 1.91 h, and is shown at 100 frames per second. Shown as stills in Fig. 1D. Scale bar = 50 μm. 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