Fig. 2. Histology of Foxp1/ hearts at E11.5 and
E14.5. H+E staining was performed on wild-type (A,C,E,G) and
Foxp1/ (B,D,F,H) embryos to examine cardiac
morphology at E11.5 (A-D) and E14.5 (E-H).
Foxp1/ hearts have a thin myocardial compact
zone (compare C and D,G,H, brackets). Foxp1/
hearts also show ventricular septation defects (vsd) (F). Scale bars: 400
µm in A,B; 200 µm in C,D,G,H; 800 µm in E,F.