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Figure 4: The anatomic dissection, seen to the left hand, was made by cutting away the parietal wall of the right ventricle and removing the area of the membranous septum, which occupied the interleaflet triangle between the non-coronary and right coronary sinuses of the aortic root. The computed tomogram, shown to the right hand, and performed to exclude a coronary arterial malformation, replicates the anatomic dissection. The yellow Y shows the location of the septomarginal trabeculation or septal band. The stars on the anatomic dissection indicate the location of the ventriculo-infundibular fold.

Figure 4: The anatomic dissection, seen to the left hand, was made by cutting away the parietal wall of the right ventricle and removing the area of the membranous septum, which occupied the interleaflet triangle between the non-coronary and right coronary sinuses of the aortic root. The computed tomogram, shown to the right hand, and performed to exclude a coronary arterial malformation, replicates the anatomic dissection. The yellow Y shows the location of the septomarginal trabeculation or septal band. The stars on the anatomic dissection indicate the location of the ventriculo-infundibular fold.