The muscular tissue of the heart. Regional myocardial differentiation and growth are distinct from endocardial or supporting-cell development.
The region connecting atrial and ventricular compartments during cardiac development. Its regulatory programme differs from that of rapidly expanding chamber myocardium.
myocardium acquiring chamber-associated growth, structural and electrophysiological properties, distinct from specialized non-chamber territories.
Three-dimensional bending and torsion of the early heart tube. Geometry, left–right patterning, tissue growth and regional cell differentiation contribute distinct aspects.
An early tubular cardiac structure whose construction includes tissue convergence, differentiation and continued addition of cells at its poles.
The inflow end of the developing heart, with progenitors contributing to inflow and atrial regions under species- and stage-specific conditions.
The outflow end of the developing heart, receiving progenitor contributions on a stage-specific schedule.
An early arrangement of cardiogenic tissue before formation of the linear heart tube in the mammalian embryo.
An early cardiac progenitor domain that differentiates into much of the initial myocardium, with major contributions to the left ventricle in mouse. Its boundaries and contributions require stage- and species-specific fate mapping.
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