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| ven·tri·cle [ véntrik'l ] (plural ven·tri·cles) |
noun |
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| Definition: |
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1. physiology heart chamber: either of the two lower chambers of the heart that receive blood from the upper chambers atria and pump it into the arteries by contraction of their thick muscular walls
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2. physiology brain cavity: a cavity in the brain that is an enlargement of the central canal of the spinal cord and contains cerebrospinal fluid
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3. hollow in body part: a small cavity or chamber in the body or in an organ
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| [14th century. < Latin ventriculus (see ventriculus)] |
