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; atrium, -o- ) + ventricular

Example Sentences

Bundle branch blocks occur within either the left or right atrioventricular bundle branches.

From Textbooks • Jun. 19, 2013

Since these openings and valves structurally weaken the atrioventricular septum, the remaining tissue is heavily reinforced with dense connective tissue called the cardiac skeleton, or skeleton of the heart.

From Textbooks • Jun. 19, 2013

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

The septum between the atria and ventricles is known as the atrioventricular septum.

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