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A muscular bundle of heart tissue crossing the ventricular cavity from the interventricular septum to the base of the papillary muscles of the right ventricle.
It was previously identified to prevent overdistension of the ventricle, and was named the "moderator band". However, recent study shows that it is part of the electrical conduction system of the heart.
Also called: septomarginal trabecula or trabecula septomarginalis.
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This page was last modified 00:46, 13 September 2008. This page has been accessed 15,134 times. What links here
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