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Glossary: pleura, Masonic Cancer Center, University of Minnesota

pleura

(PLOOR-uh)

A thin layer of tissue that covers the lungs and lines the interior wall of the chest cavity. It protects and cushions the lungs. This tissue secretes a small amount of fluid that acts as a lubricant, allowing the lungs to move smoothly in the chest cavity while breathing.

2008-02-21