To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 5 cell-cell junctions involved in cell rearrangements in Supplementary Movie 4. Rapid relaxation rearrangements (V+ > 1 μm/min) are represented in red while slow ones (V+ < 1 μm/min) are in black. A microfluidic platform to investigate the role of mechanical constraints on tissue reorganization Sham L. Tlili, François Graner, and Hélène Delanoë-Ayari Development 2022. 149:None-None; doi: 10.1242/dev.200774 Download Original Video