truncus atrioventricularis

Definitions of truncus atrioventricularis
  1. noun
    a bundle of modified heart muscle that transmits the cardiac impulse from the atrioventricular node to the ventricles causing them to contract
    synonyms: atrioventricular bundle, atrioventricular trunk, bundle of His
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    type of:
    cardiac muscle, heart muscle
    the muscle tissue of the heart; adapted to continued rhythmic contraction
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