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Figure Caption
Figure 3 FGF and BMP signaling promote ventricular and atrial cardiomyocyte formation, respectively. Compared to the chambers of the wild-type heart at 48 hpf (A), the ace (fgf8a) mutant heart (B) exhibits a substantially reduced ventricle, and the laf (acvr1l) mutant heart (C) exhibits a substantially reduced atrium. Red fluorescence labels cardiomyocyte nuclei, and green fluorescence indicates localization of Amhc. Images adapted from [54,59].
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Full text @ J Cardiovasc Dev Dis