To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2 Movie of beating cilia in Camsap3-mutated ependymal cells at the ventricular surface of the lateral ventricle. The video images were acquired at 400 fps and displayed at 20 fps. CAMSAP3 is required for mTORC1-dependent ependymal cell growth and lateral ventricle shaping in mouse brains Toshiya Kimura, Hiroko Saito, Miwa Kawasaki, and Masatoshi Takeichi Development 2021. 148:None-None; doi: 10.1242/dev.195073 Download Original Video