atrioventricular node definition

  • noun:
    • a little mass of specialized cardiac muscle mass fibers, located in the wall surface of the correct atrium associated with the heart, that gets heartbeat impulses from the sinoatrial node and directs them into wall space associated with ventricles. Also called AV node.
    • a node of specific heart muscle tissue found in the septal wall surface associated with the correct atrium; gets impulses from sinoatrial node and transmits all of them to atrioventricular bundle
    • A small size of specialized cardiac muscle mass materials, located in the wall associated with right atrium associated with the heart, that obtains heartbeat impulses from sinoatrial node and directs all of them on walls of the ventricles. Also called AV node.
    • a node of specialized heart muscle tissue found in the septal wall surface associated with the correct atrium; gets impulses through the sinoatrial node and transmits all of them to atrioventricular bundle

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  • Hypernym for "atrioventricular node"
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