A bursa (plural bursae or bursas; Latin: Bursa synovialis) is a small fluid-filled sac located at the point where a muscle or tendon slides across bone. Bursae serve to reduce friction between the two moving surfaces. There are hundreds of them throughout the body. Bursa is Latin for purse, which is what a bursa resembles.
Infection or irritation of a bursa leads to bursitis (inflammation of a bursa). The general term for disease of bursae is "bursopathy".
See also
- Bursa of Fabricius (a lymphatic organ in birds)
- Bursectomy
- Bursa of the knee joint
External links
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