To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 4 Example of laser ablation in the seam cell H1 of a 1.7-fold control embryo, visualized with actin (ABD::GFP) and embryonic sheath (NOAH-1_mCH(int)) markers. The cyan line at the beginning of the movie shows the cut line of 5 μm in length. The apical ECM preserves embryonic integrity and distributes mechanical stress during morphogenesis Thanh Thi Kim Vuong-Brender, Shashi Kumar Suman, and Michel Labouesse Development 2017. 144:4336-4349; doi: 10.1242/dev.150383 Download Original Video