Movie 4.

Trajectories of SN-EGFP-labeled cells relative to the axis of the node-derived AME (magenta line) during st. 5 - 8 of the embryo shown in Movie 3. Trajectories covering more than 8 consecutive frames are shown. This movie confirms the epiblast convergence toward the AME position (magenta line). Original frames were at 10 min intervals and shown at 6 fps. The original data for Figure 1(B)(b).