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
Explain fully how the cardiac cycle would be affected if the signal was blocked at the atrioventricular node and why.
From Textbooks ● Jun. 9, 2022
The atria contract at the same time, forcing blood through the atrioventricular valves into the ventricles.
From Textbooks ● Jun. 9, 2022
In this figure, the atrioventricular septum has been removed to better show the bicupid and tricuspid valves; the interatrial septum is not visible, since its location is covered by the aorta and pulmonary trunk.
From Textbooks ● Jun. 19, 2013
Beginning with all chambers in diastole, blood flows passively from the veins into the atria and past the atrioventricular valves 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.
