Ventricle meaning

vĕntrĭ-kəl
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The definition of a ventricle is a cavity in an organism that lies in the brain or heart.

An example of a ventricle is a chamber in the heart that gets blood from the atria and pumps blood into the arteries.

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A small cavity or chamber within a body or organ, especially:
  • 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.
  • The chamber on the right side of the heart that receives venous blood from the right atrium and forces it into the pulmonary artery.
  • Any of the interconnecting cavities of the brain.
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Any of various cavities or hollow organs.
  • Either of the two lower chambers of the heart which receive blood from the atria and pump it into the arteries.
  • Any of the four small continuous cavities within the brain.
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A small cavity or chamber within a body or organ, especially:
  • 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.
  • The chamber on the right side of the heart that receives venous blood from the right atrium and forces it into the pulmonary artery.
  • Any of the interconnecting cavities of the brain.
noun
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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.
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(anatomy, zoology) Any small cavity within a body; a hollow part or organ, especially:
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Origin of ventricle

  • Middle English from Old French ventricule from Latin ventriculus diminutive of venter belly

    From American Heritage Dictionary of the English Language, 5th Edition

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

    From Wiktionary