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ventricle

[ven-tri-kuh l] /ˈvɛn trɪ kəl/
noun
1.
Zoology. any of various hollow organs or parts in an animal body.
2.
Anatomy.
  1. 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.
  2. one of a series of connecting cavities of the brain.
Origin
1350-1400
1350-1400; Middle English < Latin ventriculus belly, ventricle. See venter, -i-, -cle1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for ventricles
  • Its lateral margins are modified to form the highly vascular choroid plexuses of the lateral ventricles.
  • The atria are receiving chambers, and the ventricles distributing ones.
  • The ventricles are then being stimulated by more than one pacemaker.
British Dictionary definitions for ventricles

ventricle

/ˈvɛntrɪkəl/
noun (anatomy)
1.
a chamber of the heart, having thick muscular walls, that receives blood from the atrium and pumps it to the arteries
2.
any one of the four main cavities of the vertebrate brain, which contain cerebrospinal fluid
3.
any of various other small cavities in the body
Word Origin
C14: from Latin ventriculus, diminutive of venter belly
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for ventricles

ventricle

n.

late 14c., from Latin ventriculus "stomach," diminutive of venter (genitive ventris) "belly" (see ventral).

Online Etymology Dictionary, © 2010 Douglas Harper
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ventricles in Medicine

ventricle ven·tri·cle (věn'trĭ-kəl)
n.
A small cavity or chamber within a body or an organ, especially the right or left ventricle of the heart or any of the interconnecting ventricles of the brain.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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ventricles in Science
ventricle
  (věn'trĭ-kəl)   
  1. 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.

  2. Any of four fluid-filled cavities in the brain of vertebrate animals. The ventricles are filled with cerebrospinal fluid.


ventricular adjective (věn-trĭk'yə-lər)
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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ventricles in Culture
ventricles [(ven-tri-kuhlz)]

The two lower chambers of the heart, which receive blood from the atria and pump it into the arteries. (See circulatory system.)

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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15
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