Rheumatoid arthritis. This disease is the result of the immune system mistakenly turning on its own body and destroying connective tissu such as cartilage. It can also affect many other parts of the body.
cartilage breakdown Or arthritis.
All arthritis involves the destruction or wearing of joint cartilage, However the form of arthritis that is described as the wear and tear joint disease is known as osteoarthritis.
juvinille arthritis
Glucosamine and chondroitin sulfate are two of the most important arthritis supplements. They are the building blocks of cartilage and appear to stimulate the body to make more cartilage.
Osteo Arthritis.
Arthritis is what you are looking for.
You are talking about rheumatoid arthritis here. which is an auto immune disease. That is the immune system mistakes cartilage for a foreign invader and rejects it destroying it in the process
Arthritis isn't from an organ. It is caused from the deterioration of cartilage in the joints, which causes bone to rub against bone, thus causing arthritis.
I have done a reasonably thorough search and there seems to be no connection. However Ra Does effect cartilage and connective tissue throughout the body.
Arthritis
Osteoarthritis