Movie 2.

3D projections of MDA-MB-231 cells unexposed or exposed to FSS, or its withdrawal. The cells were stained with CellMask DeepRed Plasma Membrane and Hoechst 33342. The double arrowheads in the movie indicate the height of the cells. Scale bar: 20 μm (x axis), 5 μm (z axis). (related to Fig. 1).