Cardiothoracic Imaging
Contents Anatomy Techniques Findings Cases References


The membranous septum

Cardiac anatomy
Coronary territories


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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Copyright 2004, Yale University School of Medicine. All rights reserved.
December 18, 2004 (PL)
version b.003