Ablation of the secondary heart field leads to tetralogy of Fallot and pulmonary atresia.


Recent studies in chick and mouse embryos have identified a previously unrecognized secondary heart field (SHF), located in the ventral midline splanchnic mesenchyme, which provides additional myocardial cells to the outflow tract as the heart tube lengthens during cardiac looping. In order to further delineate the contribution of this secondary myocardium… (More)


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