The term "rheumatic" refers to synovial joints of the body ("rheum" refers to viscous fluid, such as synovial fluid), hence "rheumatic fever" connotes an illness associated with abnormalities of synovial joints. Synovial is a clear fluid that helps in lubrication of a joint. Any joint in the body which produces this fluid is known as a synovial joint. When a common strain of bac ... Read More