Supplemental Fig.S5

Supplemental Fig. S5 Different anatomy of the RV and LV. (A) Schematic diagram of the anatomy of the RV and LV. (B) HE staining of the heart on P7. Noted that the RV has two layers and two types of fibers (clockwise spiral fibers and longitudinal fibers), whereas the LV has three layers and three types of fibers (clockwise spiral fibers, anti-clockwise spiral fibers, and longitudinal fibers).