To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 6 (related to supplementary figure 3) 80 hpf Tg(myl7:actn3b-EGFP); Tg(myl7:nlsDsRed) heart; movie starting at 80 hpf and showing sarcomere disassembly in a dividing cardiomyocyte in vivo with some sarcomeres remaining in the periphery of the cell. In vivo analysis of cardiomyocyte proliferation during trabeculation Veronica Uribe, Radhan Ramadass, Deepika Dogra, S. Javad Rasouli, Felix Gunawan, Hiroyuki Nakajima, Ayano Chiba, Sven Reischauer, Naoki Mochizuki, and Didier Y. R. Stainier Development 2018. 145:None-None; doi: 10.1242/dev.164194 Download Original Video