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 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

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 coronary sinus is a large, thin-walled vein on the posterior surface of the heart lying within the atrioventricular sulcus and emptying directly into the right atrium.

From Textbooks • Jun. 19, 2013

S1 is the sound created by the closing of the atrioventricular valves during ventricular contraction and is normally described as a “lub,” or first heart sound.

From Textbooks • Jun. 19, 2013

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