a chronic disease whose cause is unknown, characterized by inflammation, pain, and swelling of the joints accompanied by spasms in adjacent muscles and often leading to deformity of the joints
A chronic disease marked by stiffness and inflammation of the joints, weakness, loss of mobility, and deformity.
top: normal finger joint
bottom: arthritic finger joint
(plural rheumatoid arthritides)
- (pathology) A chronic and progressive disease in which the immune system attacks the joints. It is characterised by pain, inflammation and swelling of the joints, stiffness, weakness, loss of mobility and deformity. Tissues throughout the body can be affected, including the skin, blood vessels, heart, lungs, and muscles.