Movie 4, related to Figure 3.

HCs align into rows in an E15 cochlear explant.
8-hour time-lapse movie from an E15-equivalent Atoh1^Cre*PR; R26R^tdTomato cochlear explant. Presumptive HCs initially in a rosette (labeled in frame 1) resolve into 1^st and 2^nd row OHCs over the course of 6 hours. Images were captured at 4 min. intervals