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Inner-outer lineage segregation
Filopodia retracting before division
Actin rings expanding over embryo surface
Actin rings zippering, driving embryo sealing
Sister cells remain connected by microtubule bridge after division
Bridges serve as sites of microtubule growth (MTOCs)
Nuclear bouncing triggering apical polarization
Myosin II imaging shows sites of nuclear bouncing
Video summary from White et al. Cell (2013)
Cell dynamics in vivo
Electron microscopy of the embryo in 3D
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