To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2 Representative time-lapse movie of the node and notochordal cell movement in mutant embryo (Itgb1ΔND X zEG). Left: original movie; Right: overlaid with cell trajectory. Frames were captured every 10 minutes. Repeats n =3. Development ; doi: 10.1242/dev.192724 Download Original Video