To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Supplemental Movie 10 Live imaging of a Delta RNAi embryo expressing membranemcherry with a cluster of delaminating neuroblasts highlighted with magenta pseudocolor. Images are obtained at a time interval of 6s between frames. The video is displayed at 10 frames per second (fps). Scale bar: 10μm Apical constriction is driven by a pulsatile apical myosin network in delaminating Drosophila neuroblasts Yanru An, Guosheng Xue, Yang Shaobo, Deng Mingxi, Xiaowei Zhou, Weichuan Yu, Toyotaka Ishibashi, Lei Zhang, and Yan Yan Development 2017. 144:2153-2164; doi: 10.1242/dev.150763 Download Original Video