atrioventricular
Americanadjective
adjective
Etymology
Origin of atrioventricular
1855–60; < New Latin atrio- (combining form of atrium heart chamber; see atrium, -o-) + ventricular
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
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
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
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
Figure 19.19 illustrates the initiation of the impulse in the SA node that then spreads the impulse throughout the atria to the atrioventricular node.
From Textbooks • Jun. 19, 2013
The septum between the atria and ventricles is known as the atrioventricular septum.
From Textbooks • Jun. 19, 2013
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
