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

---

atrioventricular British  

/ ˌeɪtrɪəʊvɛnˈtrɪkjʊlə /

adjective

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

   atrioventricular disease

---

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 signals to the Purkinje fibers, which allow the ventricles 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 causes the atria to contract.

From Textbooks • Jun. 9, 2022

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

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

Regardless of the pathway, as the impulse reaches the atrioventricular septum, the connective tissue of the cardiac skeleton prevents the impulse from spreading into the myocardial cells in the ventricles except at the atrioventricular node.

From Textbooks • Jun. 19, 2013