serous synovitis

synovitis

 [sin″o-vi´tis] inflammation of a membrane" >synovial membrane, usually painful, particularly on motion, and characterized by fluctuating swelling, due to effusion in a synovial sac. It may be caused by rheumatic fever, rheumatoid arthritis, tuberculosis, trauma, gout, or other conditions.Events involved in the pathogenesis of rheumatoid synovitis progress from left to right. M = macrophage; T = T lymphocyte; B = B lymphocyte; P = plasma cell; IL = interleukin; TNF-α = tumor necrosis factor α; TGF-β = transforming growth factor β; GM-CSF = granulocyte-macrophage colony-stimulating factor; RF = rheumatoid factor; PGE₂ = prostaglandin E₂; C = complement. From Goldman and Bennett, 2000.dry synovitis synovitis with little effusion.purulent synovitis synovitis with effusion of pus in a synovial sac.serous synovitis synovitis with copious nonpurulent effusion.synovitis sic´ca dry synovitis.simple synovitis synovitis with clear or slightly turbid effusion.tendinous synovitis inflammation of a tendon sheath.villonodular synovitis proliferation of synovial tissue, especially of the knee joint, composed of synovial villi and fibrous nodules infiltrated by giant cells and macrophages.

se·rous syn·o·vi·tis

synovitis with a large effusion of nonpurulent fluid.

se·rous sy·no·vi·tis

(sēr'ŭs sin'ō-vī'tis) Inflammation of the synovial membrane with a large effusion of nonpurulent fluid.