A chronic inflammation of joints due to autoimmune destruction of articular cartilage is called _______.

Rheumatoid arthritis is a chronic inflammation of joints due to autoimmune destruction of articular cartilage.
Osteoarthritis is also an inflammatory condition of joints, but is due to wear-and-tear of cartilage that lines the articular ends of bones.
Osteoporosis is an imbalance in bone remodeling where bone resorption exceeds bone formation resulting in porous and fragile bones.
Brittle Bone Disease is a congenital disorder of defective or deficient collagen synthesis due to genetic mutations.