alveoli alveoli  /æl ˈvi ə ˌlaɪ/


  1. (n) a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways
  2. (n) a bony socket in the alveolar ridge that holds a tooth



  1. Inadequate oxygen in turn damages the alveoli, the sacs of cells that transfer oxygen into the bloodstream.
  2. The walls of the alveoli thicken, lose their elasticity and much of their ability to do their vital job of exchanging carbon dioxide for oxygen.
  3. There the tiny alveoli, or gas-exchange cells, give up carbon dioxide and take in oxygen.


  • ATS publishes clinical practice guideline on ILD in infancy

    ( American Thoracic Society ) The American Thoracic Society has released new clinical practice guidelines on the classification, evaluation and management of childhood interstitial lung disease in infants. Childhood ILD includes a diverse group of rare lung diseases found in infants, children and teens that involve the interstitial tissues of the lung, which surround the air sacs (alveoli) in ...
    on August 1, 2013     Source: EurekAlert!


  • "In the 1950s, doctors thought that people couldn't dive deeper than 50 meters because our alveoli in our lungs would implode and we'd die," Cruickshank says.
    on Jun 21, 2008 By: Mandy-Rae Cruickshank Source: NPR

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pivotal pivotal
/ˈpɪ və təl /