To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1 Laser ablation of medial cortex at stage 9Circular laser ablation of the medial cortex (see Fig 1 K″) cortex in cuboidal main body cells expressing E-cad-GFP at stage 9 at 14 s into the movie. Response of Drosophila epithelial cell and tissue shape to external forces in vivo Ramya Balaji, Vanessa Weichselberger, and Anne-Kathrin Classen Development 2019. 146:None-None; doi: 10.1242/dev.171256 Download Original Video