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Medical Term:

atrioventricular bundle


the bundle of modified cardiac muscle fibers that begins at the atrioventricular node as the trunk of the atrioventricular bundle and passes through the right atrioventricular fibrous ring to the membranous part of the interventricular septum where the trunk divides into two branches, the right bundle [TA] (crus dextrum [TA]) of the atrioventricular bundle and the left bundle [TA] (crus sinistrum [TA]) of the atrioventricular bundle; the two crura ramify in the subendocardium of their respective ventricles.

Synonym(s): fasciculus atrioventricularisTA, atrioventricular band, Gaskell bridge, His band, His bundle, bundle of His, Keith bundle, Kent bundle1, Kent-His bundle, truncus fascicularis atrioventricularis, trunk of atrioventricular bundle, ventriculonector

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.