Definition of Thoracentesis
Thoracentesis: Removal of fluid from the space between the lungs and the chest wall (the pleural cavity) for diagnostic or therapeutic purposes using a needle inserted between the ribs.
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=5768
Last Editorial Review: 3/19/2012
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