To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1 Actin dynamics in apical cortical networks. TIRF microscopy movie showing cortical actin dynamics just below the apical cell membrane in a Lifeact-GFP-positive ectodermal epithelial cell over a period of 222 seconds. Apical and basal epitheliomuscular F-actin dynamics during Hydra bud evagination Roland Aufschnaiter, Roland Wedlich-Söldner, Xiaoming Zhang, and Bert Hobmayer Biology Open 2017. 6:1137-1148; doi: 10.1242/bio.022723 Download Original Video