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Medical Dictionary

osteoarthritis

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noun os·teo·ar·thri·tis \ˌäs-tē-ō-är-ˈthrīt-əs\

Medical Definition of osteoarthritis

plural osteoarthrithritides \-ˈthrit-ə-ˌdēz\play

  1. :  a common form of arthritis typically with onset during middle or old age that is characterized by progressive degenerative changes in the cartilage of one or more joints (as of the knees, hips, and hands) accompanied by thickening and overgrowth of adjacent bone and that is marked symptomatically chiefly by stiffness, swelling, pain, deformation of joints, and loss of range of motion—abbreviation OA; called also , , ; compare rheumatoid arthritis

osteoarthritic \-ˈthrit-ik\play adjective <Treatment for hand and finger osteoarthritis has the same goals as treatment for any osteoarthritic joint: pain reduction, mobility maintenance and minimization of disability.—Paul G. Donohue, The Springfield (Massachusetts) Union-News, 11 Mar. 1998>



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