10.7554/eLife.24635.013Figure 4—figure supplement 1.shha expression during heart development and regeneration.(A–C) shha expression during heart development in zebrafish. Single confocal slice images of the rectangles in A are shown in B and C. (D–F) shha expression during heart regeneration in zebrafish. Single confocal slice images of the rectangles in the right panel of D are shown in E and F. at, atrium; ba, bulbus arteriosus; es, esophagus; ve, ventricle. Scale bar, 50 μm.DOI: http://dx.doi.org/10.7554/eLife.24635.013