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Figure 4: Diagrammatic portrayal of stages in the maturation of the left ventricle (LV) from the primitive ventricle (PV). Diverticulation and undermining results in the separation of the leaflet (L), chordae (C), and papillary muscle (PM) from the wall of the PV to form the MV. Endocardial cushions (EC) do not contribute to MV

Figure 4: Diagrammatic portrayal of stages in the maturation of the left ventricle (LV) from the primitive ventricle (PV). Diverticulation and undermining results in the separation of the leaflet (L), chordae (C), and papillary muscle (PM) from the wall of the PV to form the MV. Endocardial cushions (EC) do not contribute to MV