| moderator band | One of the trabeculae carneae in the right ventricle of the heart; it carries part of the right branch of the A-V bundle from the septum to the anterior papillary muscle on the opposite wall of the ventricle. Synonym: trabecula septomarginalis, moderator band, Reil's band. (05 Mar 2000) |
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| moderator variable | A variable that interacts by virtue of being antecedent or intermediate in the causal pathway. (05 Mar 2000) |