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Fig. 7
Ventricular base seen from above. The upper border of the of
the free wall of the right ventricle, showing the passage of the fibres (trajectories),
from the external to the internal surface of the ventricular wall, without being inserted
in the tricuspide fibrous ring. PA, pulmonary artery. MAo, mitroaortic orifice. To,
tricuspide orifice.
