From Wikipedia, the free encyclopedia
A bursa (plural bursae or bursas; Latin: Bursa synovialis) is a small fluid-filled sac made of white fibrous tissue and lined with synovial membrane. It provides a cushion between bones and tendons and/or muscles around a joint; bursae are filled with synovial fluid and are found around almost every major joint of the body; when they become inflamed, the condition is called bursitis.
[edit] Etymology
Bursa is Latin for purse, which is what a bursa resembles.
[edit] Pathology
Infection or irritation of a bursa leads to bursitis (inflammation of a bursa). The general term for disease of bursae is "bursopathy". Current medical studies have no specific knowledge of the entire bursae system.
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