ZFIN Image: Uriu et al., 2017, Fig. 1

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Figure Caption

Fig. 1

Quantification of cell mixing by the average directional derivative modulus of cell velocity vectors. (A) Left: Snapshot of a 17 ss embryo, with nuclei labeled with Histone h2AflV-gfp. a, anterior; p, posterior; d, dorsal; v, ventral. Right: schematic picture of PSM and tailbud. See also Movie 1. (B) Cell trajectories for the embryo shown in A, obtained by nuclear detection and tracking algorithms. Trajectories from time frame 1 to 20 (16.7 min) plotted in three-dimensional space. Each trajectory is assigned a color randomly. (C) Spatial profile of average directional derivative modulus of cell velocity vectors D_v for the 17 ss embryo shown in A. Spheres represent the positions of cells (radius chosen for better visibility). Scale bars: 50 μm.

Acknowledgments

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