A ventricle is one of the chambers of the heart. It pumps blood to your arteries.

Ventricles are very important, because they are part of your heart. The ventricles are large cavities—or chambers—and there are two of them. The ventricles receive blood from your atriums. Then that blood is pumped through your arteries to the rest of your body. Since your body needs that blood to function and survive, your ventricles have a crucial job. Any problem with your ventricles could lead to serious health problems.

Definitions of ventricle
  1. noun
    a chamber of the heart that receives blood from an atrium and pumps it to the arteries
    synonyms: heart ventricle
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    left ventricle
    the chamber on the left side of the heart that receives arterial blood from the left atrium and pumps it into the aorta
    right ventricle
    the chamber on the right side of the heart that receives venous blood from the right atrium and pumps it into the pulmonary trunk
    type of:
    an enclosed volume in the body
  2. noun
    one of four connected cavities in the brain; is continuous with the central canal of the spinal cord and contains cerebrospinal fluid
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    fourth ventricle
    an irregular ventricle between the third ventricle and the central canal of the spinal cord
    third ventricle
    a narrow ventricle in the midplane below the corpus callosum; communicates with the fourth ventricle via the Sylvian aqueduct
    lateral ventricle
    either of two horseshoe-shaped ventricles one in each cerebral hemisphere; they communicate with the third ventricle via the foramen of Monro
    type of:
    bodily cavity, cavity, cavum
    (anatomy) a natural hollow or sinus within the body
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