atrioventricular

American  

[ey-tree-oh-ven-trik-yuh-ler] / ˌeɪ tri oʊ vɛnˈtrɪk yə lər /

adjective

Anatomy.

1. of or relating to the atria and ventricles of the heart. AV, A-V

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atrioventricular British  

/ ˌeɪtrɪəʊvɛnˈtrɪkjʊlə /

adjective

1. of, relating to, or affecting both the atria and the ventricles of the heart

   atrioventricular disease

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Etymology

Origin of atrioventricular

1855–60; < New Latin atrio- (combining form of atrium heart chamber; see atrium, -o-) + ventricular

Example Sentences

The ventricles would contract, but the atria would not, because the atrioventricular node passes the signal to the Purkinje fibers, which causes the atria to contract.

From Textbooks • Jun. 9, 2022

Explain fully how the cardiac cycle would be affected if the signal was blocked at the atrioventricular node and why.

From Textbooks • Jun. 9, 2022

The atria would contract, but the ventricles would not, because the atrioventricular node passes signals to the Purkinje fibers, which allow the ventricles to contract.

From Textbooks • Jun. 9, 2022

Closing of the atrioventricular valves produces a monosyllabic “lup” sound.

From Textbooks • Jun. 9, 2022

They extend throughout the myocardium from the apex of the heart toward the atrioventricular septum and the base of the heart.

From Textbooks • Jun. 19, 2013