To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Supplementary Movie M1 (For Fig.2) Time lapse movies of endogenously tagged DE-Cadherin-GFP lines during germ band retraction (dorsal view) (M1) and dorsal closure (lateral view)(M2). A dual role of the extracellular domain of Drosophila Crumbs for morphogenesis of the embryonic neuroectoderm Shradha Das, and Elisabeth Knust Biology Open 2018. 7:None-None; doi: 10.1242/bio.031435 Download Original Video