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Figure 5: The heart shown to the left hand has been opened by a cut in its parietal wall and is photographed to show the supraventricular crest, which is the muscular wall interposed between the hinges of the tricuspid and pulmonary valves. As can be seen, the crest inserts into the ventricular septum between the limbs of the septomarginal trabeculation (See Figure 4). The computed tomogram, shown to the right hand and performed to exclude a coronary arterial malformation, replicates the anatomic dissection

Figure 5: The heart shown to the left hand has been opened by a cut in its parietal wall and is photographed to show the supraventricular crest, which is the muscular wall interposed between the hinges of the tricuspid and pulmonary valves. As can be seen, the crest inserts into the ventricular septum between the limbs of the septomarginal trabeculation (See Figure 4). The computed tomogram, shown to the right hand and performed to exclude a coronary arterial malformation, replicates the anatomic dissection