atrioventricular node
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.atrioventricular node
nounDefinition of ATRIOVENTRICULAR NODE
: a small mass of tissue in the right atrioventricular region of higher vertebrates through which impulses from the sinoatrial node are passed to the ventricles
First Known Use of ATRIOVENTRICULAR NODE
circa 1934
atrioventricular node
noun (Medical Dictionary)Medical Definition of ATRIOVENTRICULAR NODE
: a small mass of tissue that is situated in the wall of the right atrium adjacent to the septum between the atria, passes impulses received from the sinoatrial node to the ventricles by way of the bundle of His, and in some pathological states replaces the sinoatrial node as pacemaker of the heart
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