atrioventricular (AV) bundle

a·tri·o·ven·tric·u·lar (AV) bun·dle

(ā'trē-ō-ven-trik'yū-lăr bŭn'dĕl) [TA]

The bundle of modified cardiac muscle fibers that begins at the AV node as the trunk of the AV bundle and passes through the right AV fibrous ring to the membranous part of the interventricular septum where the trunk divides into two branches, the right and left crura of the AV bundle; the two crura ramify in the subendocardium of their respective ventricles.
Synonym(s): His bundle, Kent bundle (1) , ventriculonector.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012