ventricle

EnglishEdit

 
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EtymologyEdit

From late Middle English, from Latin ventriculus (the belly), diminutive of venter (the belly). Doublet of ventriculus.

PronunciationEdit

  • enPR: vĕnʹtrĭk-əl, IPA(key): /ˈvɛn.tɹɪk.əl/
    • (file)
  • Rhymes: -ɛntɹɪkəl

NounEdit

ventricle (plural ventricles)

  1. (anatomy, zootomy) Any small cavity within a body; a hollow part or organ, especially:
    1. One of two lower chambers of the heart.
      Synonym: cardioventricle
      Coordinate term: atrium
      Meronyms: left ventricle, right ventricle
      • 2018, Sandeep Jauhar, Heart: a History, →ISBN, page 47:
        The muscular ventricles pump blood by contracting their fibers in response to electrical stimulation.
    2. (neuroanatomy) One of four fluid-filled cavities in the brain, that are continuous with the central canal of the spinal cord.
      Synonym: cerebroventricle
      Meronyms: fourth ventricle, lateral ventricle, third ventricle
    3. (archaic) The stomach.
      • 1662, Henry More, An Antidote Against Atheism, Book II: A Collection of Several Philosophical Writings of Dr. Henry More, page 72:
        [On birds] Where omitting the more general Properties, of having two Ventricles, and picking up stones to conveigh them into their second Ventricle, the Gizzern, (which provision and instinct is a supply for the want of teeth;) []
    4. (archaic) The womb.

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