Medical Dictionary

pannus

noun pan·nus \ ˈpan-əs \

medical Definition of pannus

plural panni play \ˈpan-ˌī\
1 : a vascular tissue causing a superficial opacity of the cornea and occurring especially in trachoma
2 : a sheet of inflammatory granulation tissue that spreads from the synovial membrane and invades the joint in rheumatoid arthritis ultimately leading to fibrous ankylosis

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