ventricle
Americannoun
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Zoology. any of various hollow organs or parts in an animal body.
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Anatomy.
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either of the two lower chambers on each side of the heart that receive blood from the atria and in turn force it into the arteries.
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one of a series of connecting cavities of the brain.
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noun
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a chamber of the heart, having thick muscular walls, that receives blood from the atrium and pumps it to the arteries
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any one of the four main cavities of the vertebrate brain, which contain cerebrospinal fluid
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any of various other small cavities in the body
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A chamber of the heart that receives blood from one or more atria and pumps it by muscular contraction into the arteries. Mammals, birds, and reptiles have two ventricles; amphibians and fish have one.
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Any of four fluid-filled cavities in the brain of vertebrate animals. The ventricles are filled with cerebrospinal fluid.
Etymology
Origin of ventricle
1350–1400; Middle English < Latin ventriculus belly, ventricle. See venter, -i-, -cle 1
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 number likely refers to his heart’s ejection fraction, which measures the volume of blood coming out of the heart’s left ventricle or being drawn into the right ventricle when the heart beats.
From Los Angeles Times
The number likely refers to Ray J’s heart’s ejection fraction, which measures the volume of blood coming out of the heart’s left ventricle or being drawn into the right ventricle when the heart beats.
From Los Angeles Times
A convent girl with a creepy streak, Elizabeth sees beauty in biology, leaning over a corpse’s flayed back to appreciate the intricacy of its ventricles.
From Los Angeles Times
Ivy has single ventricle circulation, a life-limiting heart condition, which means only one side of her heart is working.
From BBC
Her daughters Lucie and Isobel, now 16 and 10 respectively, have each had a heart transplant after being diagnosed with dilated cardiomyopathy, a condition where the left ventricle becomes enlarged and weakened.
From BBC
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.