Supplementary Figure 5: Cohesive versus dispersive mode of growth of the myocardium and the endocardium.

(a–b) Sections of E12.5 Mesp1-rtTA/tetO-Cre/Rosa-Confetti unicolour hearts. (a) Example of a compact myocardial YFP-labelled clone showing cohesive growth of the myocardium. (b) Example of a dispersed endocardial RFP-unicolour clone showing dispersive mode of growth of the endocardium. Scale bars, 200 μm. The number on the upper right in each panel refers to the ID of the labelled heart.