Definitions

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

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

from Wiktionary, Creative Commons Attribution/Share-Alike License

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

from the GNU version of the Collaborative International Dictionary of English

  • n. 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.
  • n. The stomach.
  • n. Fig.: Any cavity, or hollow place, in which any function may be conceived of as operating.

from The Century Dictionary and Cyclopedia

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

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

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

Etymologies

Middle English, from Old French ventricule, from Latin ventriculus, diminutive of venter, belly.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From French ventricule, from Latin ventriculus ("belly, stomach, ventricle"), diminutive of venter ("belly, stomach, womb") (Wiktionary)

Examples

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

    Congenitally Corrected Transposition of the Great Arteries (CCTGA)

  • 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

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

    Cardiac terms and definitions

  • 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

  • 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

  • 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

  • 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

  • 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

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

    The Human Brain

  • Indeed, it would naturally run down into the ventricle, which is at that moment open to receive it.

    Hygienic Physiology : with Special Reference to the Use of Alcoholic Drinks and Narcotics

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