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ventricle

Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A small cavity or chamber within a body or organ, especially.
  • noun The chamber on the left side of the heart that receives arterial blood from the left atrium and contracts to force it into the aorta.
  • noun The chamber on the right side of the heart that receives venous blood from the right atrium and forces it into the pulmonary artery.
  • noun Any of the interconnecting cavities of the brain.

from The Century Dictionary.

  • noun The belly; the stomach.
  • noun The womb; the productive organ, literally or figuratively.
  • noun In anatomy and zoology, some small cavity of the body; a hollow part or organ; a ventriculus: variously applied.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Anat.) A cavity, or one of the cavities, of an organ, as of the larynx or the brain; specifically, the posterior chamber, or one of the two posterior chambers, of the heart, which receives the blood from the auricle and forces it out from the heart. See heart.
  • noun obsolete The stomach.
  • noun Fig.: Any cavity, or hollow place, in which any function may be conceived of as operating.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun anatomy, zoology Any small cavity within a body; a hollow part or organ, especially:
  • noun anatomy One of two lower chambers of the heart.
  • noun anatomy One of four cavities in the brain.
  • noun archaic, anatomy, zoology The stomach.
  • noun archaic The womb.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a chamber of the heart that receives blood from an atrium and pumps it to the arteries
  • noun one of four connected cavities in the brain; is continuous with the central canal of the spinal cord and contains cerebrospinal fluid

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English, from Old French ventricule, from Latin ventriculus, diminutive of venter, belly.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From French ventricule, from Latin ventriculus ("belly, stomach, ventricle"), diminutive of venter ("belly, stomach, womb")

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Examples

  • Approximately 3,000 children are born in the United States each year with severe heart defects in which one ventricle is too small or weak to pump effectively.

    Single Ventricle Care and Research Program 2010

  • A surgical procedure performed to repair heart defects in which only one ventricle is functional.

    Cardiac terms and definitions 2010

  • The left ventricle is built stronger than the right ventricle, because it has to work harder.

    Congenitally Corrected Transposition of the Great Arteries (CCTGA) 2010

  • For this reason they say that Proclus, a professor of the medical art, said that the posterior ventricle is more noble.

    Architecture and Memory: The Renaissance Studioli of Federico da Montefeltro 2008

  • Engelhart15 was able to show, in accordance with the well-known fact that the heart vagus in warm-blooded animals ends at the auricular/ventricular boundary, that here considerably more Ac.Ch. was to be found before and after stimulation in the auricle than in the ventricle, whereas in a frog's heart, where the vagus extends over the ventricle as well, the distribution of Ac.Ch. over auricle and ventricle is even.

    Otto Loewi - Nobel Lecture 1965

  • The aorta ends up being connected to the right ventricle, and the pulmonary artery is connected to the left ventricle, which is the opposite of how they are normally connected.

    Cardiac terms and definitions 2010

  • Maybe we do use only 10% of our brains: Magnetic Resonance Imaging MRI scans of a 44-year-old man's brain show a huge fluid-filled chamber called a ventricle taking up most of the room in his skull, leaving little more than a thin sheet of actual brain tissue, in this handout image released by French researchers July 19, 2007.

    Gerry Canavan 2007

  • The left ventricle, which is responsible for pumping blood out to the rest of the body, is the strongest and thickest part of the heart.

    Healing the Female Heart Elizabeth Ross 1996

  • The left ventricle, which is responsible for pumping blood out to the rest of the body, is the strongest and thickest part of the heart.

    Healing the Female Heart Elizabeth Ross 1996

  • This connects through a narrow aperture with the third ventricle, which is rather long and thin.

    The Human Brain Asimov, Isaac 1963

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