Chiaroscuro is a technique in painting that uses tones, shades, shadows and highlights to create the illusion of three dimensions on two dimensional media. Developed in the Renaissance, chiaroscuro comes from the Italian words for bright or clear and dark or obscure. It is usually translated as 'light-dark'.
While early RA symptoms can be mimicked by other diseases, the symptoms and signs are very characteristic of rheumatoid disease. The 15 early rheumatoid arthritis symptoms and signs discussed in this article include the following: Fatigue. Joint pain. Joint tenderness. Joint swelling. Joint redness. Joint warmth.
Text A A A. Rheumatoid arthritis (RA) is an autoimmune disease where the body's immune system attacks normal joint tissues, causing inflammation of the joint lining.This inflammation of the joint lining (called the synovium) can cause pain, stiffness, swelling, warmth, and redness.ymptoms of Rheumatoid Arthritis. Although RA is often a chronic disease, the severity and duration of symptoms may unpredictably come and go. With RA, people experience periods of increased disease activity, called flare-ups or flares, alternating with periods when the symptoms fade or disappear, called remission.