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English definition of “bursa”

bursa

noun [C] uk   /ˈbɜː.sə/ us    /ˈbɜr.sə/ (plural bursae) specialized
a sac (= part of the body like a bag) that is filled with fluid and protects tissue from injury due to frictionSubstances and structures in the body
(Definition of bursa from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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