To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 9 Branching morphogenesis assay. Paxillinfl/fl;cre organoid embedded in Matrigel and treated with DMSO. Imaged for 20 hours. Scale bar: 100 μm. Timescale: min. Paxillin-dependent regulation of apical-basal polarity in mammary gland morphogenesis Weiyi Xu, Anushree C. Gulvady, Gregory J. Goreczny, Eric C. Olson, and Christopher E. Turner Development 2019. 146:None-None; doi: 10.1242/dev.174367 Download Original Video