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.
Electrical charges pulse from the SA node causing the two atria to contract in unison; then the pulse reaches the atrioventricular node between the right atrium and right ventricle.
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 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
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 two atrioventricular valves, the tricuspid and mitral valves, are both open, so blood flows unimpeded from the atria and into the ventricles.
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.
