Gout: Accumulation of uric acid crystals in joints leading to painful movement. Swelling and inflammation of synovial membrane due to autoimmune reaction.
Dislocation: In this case, the bones at the joints are dislodged from their positions e. g., the boll of one bone may slip out of the socket.
Hard tissue deposits over articular cartilage along with higher secretion of synovial fluid causing pain and stiffness lead to rheumatoid arthritis.
Tearing of articular cartilage and development of bony lumps at places causing pain, stiffness and permanent bending lead to osteoarthritis.
Bursitis is inflammation of the bursae present within synovial joint as small membrane bound pockets which stores synovial fluid. It is caused by physical injury or constant pressure on a single joint for along time.
Osteitis is inflammation of bone.
Osteoporosis is loss of bone density due to excessive absorption of calcium and phosphorus from the bone.
Osteomyelitis is infection of bone.
Osteomyelodysplasia is a condition characterized by thinning of the osseous tissue of bones and increase in size of the marrow cavities, attended with leukopenia and fever.
Osteopetrosis is a hereditary disease marked by abnormally dense bone, and by the common occurrence of fractures of affected bonne.