Bursae are fluid-filled cavities located at tissue sites where tendons or muscles pass over bony prominences near joints. Their function is to facilitate movement and reduce friction between moving parts. When a bursa becomes infected, traumatized, or injured it is referred to as bursitis.
Review Date: 9/21/2006
Reviewed By: Jeffrey Kauffman, MD, Sacramento Knee and Sports Medicine, Sacramento, CA. Review provided by VeriMed Healthcare Network.