Definition of Bursa
Bursa: A closed fluid-filled sac that functions to provide a gliding surface to reduce friction between tissues of the body. When the bursa becomes inflamed, the condition is known as bursitis. Bursa is the Greek word for "a wine skin."
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=2558
Last Editorial Review: 12/13/2003
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