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 causes the atria to contract.
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
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
When the pressure falls below that of the atria, blood moves from the atria into the ventricles, opening the atrioventricular valves and marking one complete heart cycle.
From Textbooks ● Jun. 19, 2013
The valves between the atria and ventricles are known generically as atrioventricular valves.
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.
