atrioventricular

American  

[ay-tree-oh-ven-trik-yuh-ler] / ˌeɪ tri oʊ vɛnˈtrɪk jə 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

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Example Sentences

See Examples For:

atrioventricular

It is the excitation of cardiac muscle cells at the atrioventricular node followed by the sinoatrial node.

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

The valves between the atria and ventricles are known generically as atrioventricular valves.

From Textbooks ● Jun. 19, 2013

The two atrioventricular valves, the tricuspid and mitral valves, are both open, so blood flows unimpeded from the atria and into the ventricles.

From Textbooks ● Jun. 19, 2013

Beginning with all chambers in diastole, blood flows passively from the veins into the atria and past the atrioventricular valves into the ventricles.

From Textbooks ● Jun. 19, 2013

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