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

Electrical charges pulse from the SA node causing the two atria to contract in unison; then the pulse reaches the atrioventricular node between the right atrium and right ventricle.

From Textbooks • Jun. 9, 2022

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