To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 3 Severe homozygous heart beatingRepresentative Cmlc2 GFP labeled heart of severe -/- larva at 72 hpf. Ventral view is shown, with the fish cranium on the left. Disruption of pdgfra alters endocardial and myocardial fusion during zebrafish cardiac assembly Suzan El-Rass, Shahram Eisa-Beygi, Edbert Khong, Koroboshka Brand-Arzamendi, Antonio Mauro, Haibo Zhang, Karl J. Clark, Stephen C. Ekker, and Xiao-Yan Wen Biology Open 2017. 6:348-357; doi: 10.1242/bio.021212 Download Original Video