Financial analyst. A financial analyst, securities analyst, research analyst, equity analyst, investment analyst, or rating analyst is a person who performs financial analysis for external or internal financial clients as a core part of the job. Contents.
Share +. 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.ext 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.
Rheumatoid Arthritis (RA). A disease in which the immune system attacks the linings of the joints. This results in joint pain, stiffness, swelling, and destruction. PubMed Health Glossary. (Source: NIH-National Institute of Arthritis and Musculoskeletal and Skin Diseases). Part of: Arthritis, Autoimmune Disease.xamples include multiple sclerosis, type 1 diabetes, rheumatoid arthritis, and systemic lupus erythematosus. Inflammation. Redness, swelling, pain, and/or a feeling of heat in an area of the body. This is a protective reaction to injury, disease, or irritation of the tissues.