To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2A Slow-motion video illustrates the entry of a red-coloured polystyrene particle into the heart chamber. Recording speed: 200 fps. Playback speed: 10 fps. Formation and function of intracardiac valve cells in the Drosophila heart Kay Lammers, Bettina Abeln, Mirko Hüsken, Christine Lehmacher, Olympia Ekaterini Psathaki, Esther Alcorta, Heiko Meyer, and Achim Paululat Journal of Experimental Biology 2017. 220:1852-1863; doi: 10.1242/jeb.156265 Download Original Video