What it means
The root in words about the inside lining of movable joints and the slippery fluid that lets them glide. Synovitis is inflammation of the joint lining, a synovectomy removes it, and synovial fluid is the fluid drawn off in a joint tap.
Related terms
-itis
A word ending that means inflammation.
rheumatoid arthritis
A long-term autoimmune disease in which the immune system attacks the lining of the joints.
synovial fluid
The thick, slippery fluid inside movable joints that lets the bones move smoothly.