To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 5. Calcium imaging of an adult posterior pair of valves expressing tinC-Gal4 > GCAMP3. Differentiation and function of cardiac valves in the adult Drosophila heart Christian Meyer, Maik Drechsler, Heiko Meyer, and Achim Paululat Journal of Experimental Biology 2023. 226:None-None; doi: 10.1242/jeb.245839 Download Original Video