Movie 1

Cell division in the mouse spinal neural plate. Wild-type embryo expressing a membrane-localized GFP produced by epiblast-specific recombination of an mT/mG reporter using Sox2-Cre (Muzamdar et al., 2007; Williams et al., 2014). Time indicated in min starting at E8.0, images acquired every 6 min. Anterior left, ventral view.