unite bones by means of cartilage (either hyaline or fibrocartilage).
a thin layer of hyaline cartilage that lines the articular surfaces of bones
inside membrane which secretes the synovial fluid
an extension of the synovial membrane that contains synovial fluid and provides a cushion between structures that would rub against each other.
complete or partial tear of ligaments around a joint.
joints wearing out, also known as degenerative joint disease (DJD).