To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 4 Time-lapse of stage 25 frontonasal mass dissected and cultured in ROCKi-treated media. Nuclei were stained with Hoechst dye and imaged with confocal microscope, at 20X magnification with 1.5 optical zoom (R4, organ culture). Development ; doi: 10.1242/dev.193755 Download Original Video