bursa

'bursa' in Webster

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In depth article on bursa found in wikipedia.


||Bur"sa   (&?;), n.;
pl. Burs&aelig; (&?;). [L. See Burse.]
 (Anat.) Any sac or
saclike cavity; especially, one of the synovial sacs, or small spaces, often lined with synovial membrane,
interposed between tendons and bony prominences.

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