bursa bur·sa (bûr'sə)
n. pl. bur·sas or bur·sae (-sē)
A sac or saclike bodily cavity, especially one containing a viscous lubricating fluid and located between a tendon and a bone or at points of friction between moving structures.
|bursa (bûr'sə) Pronunciation Key
Plural bursae (bûr'sē) or bursas
A flattened sac containing a lubricating fluid that reduces friction between two moving structures in the body, as a tendon and a bone.