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bursa
(bur´sә)
pl. bur´sae
a small fluid-filled sac or saclike cavity situated in places in tissues where friction would otherwise occur. adj., bur´sal, adj.
. Bursae function to facilitate the gliding of muscles or tendons over bony or ligamentous surfaces. They are numerous and
are found throughout the body; the most important are located at the shoulder, elbow, knee, and hip. Inflammation of a bursa
is known as bursitis.
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