A bursa is a fluid-filled sac that cushions and lubricates areas of
the body where friction is likely to occur, such as the area between two bones,
a tendon or ligament and a bone, or bone and skin.
September 27, 2012
William H. Blahd, Jr., MD, FACEP - Emergency Medicine & Kenneth J. Koval, MD - Orthopedic Surgery, Orthopedic Trauma
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