Cardiothoracic Imaging
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The membranous septum



Cardiac anatomy
Coronary territories

COMMENTS

This figure shows a cut-surface view vertically oriented on the left in a coronal-type projection and a left lateral cut-section on the right. The vertical coronal view illustrates the relative position of the tricuspid and mitral valves compared to the interventricular septum which, in its upper region, is cut in a curved plane demonstrating the thinning of the upper septum called the membranous septum. This is particularly evident in the lateral cut sectional view where the septum thins just below the aortic valve.

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December 18, 2004 (PL)
version b.003