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Pronunciation: nu-mat'o-sel


  1. An emphysematous or gaseous swelling.
  2. A thin-walled cavity within the lung, one of the characteristic sequelae of staphylococcal pneumonia and Pneumocystis carinii pneumonia.

Synonym(s): pneumonocele

[G. pneuma, air, + kele, tumor, hernia]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.