Movie 4, related to Figure 3.

HCs align into rows in an E15 cochlear explant.
8-hour time-lapse movie from an E15-equivalent Atoh1Cre*PR; R26RtdTomato cochlear explant. Presumptive HCs initially in a rosette (labeled in frame 1) resolve into 1st and 2nd row OHCs over the course of 6 hours. Images were captured at 4 min. intervals

Cell migration, intercalation and growth regulate mammalian cochlear extension

Elizabeth Carroll Driver, Amy Northrop, and Matthew W. Kelley

Development 2017. 144:3766-3776; doi: 10.1242/dev.151761