Rheumatoid arthritis is a systemic inflammatory disease which symmetrically affects the small the reason rheumatoid arthritis is called systemic is if one knee gets affected with the disease the the synovial membrane becomes infested with inflammatory cells which causes joint pain and swelling.
32+ What Cells Are Affected By Rheumatoid Arthritis?
Pictures. In rheumatoid arthritis, the immune system attacks the membranes that line the joints throughout your body. The kidneys are not usually affected directly by rheumatoid arthritis.
Rheumatoid arthritis primarily affects the joints. It typically results in warm, swollen, and painful joints which often worsen following rest. In chronically affected joints, the normally thin synovium proliferates, thickens, and develops many villous folds.
Lack of these elements in the joint.
As the disease progresses, symptoms often spread to the wrists, knees, ankles, elbows, hips and shoulders. Rheumatoid arthritis is a lifelong condition that causes pain, swelling, and inflammation in two or more joints. Rheumatoid arthritis is an autoimmune disease. It can also affect the heart, lungs, and other parts of the body.