The term arthritis (from the Greek arthron : articulation, and the Latin ite : inflammation) refers to more than a hundred different conditions that are characterized by pain in joints, ligaments, tendons, bones or other elements of the musculoskeletal system. (The Arthritis Special Section has specific fact sheets on many of these conditions.) Formerly, the word rheumatism (Latin rheumatismus, for “flow of moods”) was used rather to […]