ANATOMY

Detailed explanation-1: -Diarthrosis: The Synovial Joint. A diarthrosis is an articulation that contains a fluid-filled joint cavity between two or more bones. Because of the presence of a synovial membrane, diarthrodial joints are often referred to as synovial joints.

Detailed explanation-2: -Diarthroses. Most joints in the adult body are diarthroses, or freely movable joints. The singular form is diarthrosis. In this type of joint, the ends of the opposing bones are covered with hyaline cartilage, the articular cartilage, and they are separated by a space called the joint cavity.

Detailed explanation-3: -A key structural characteristic for a synovial joint that is not seen at fibrous or cartilaginous joints is the presence of a joint cavity. The joint cavity contains synovial fluid, secreted by the synovial membrane (synovium), which lines the articular capsule.

Detailed explanation-4: -The synovial cavity can be defined as the space that is found in between the segments of the bones and the articular cartilage. The synovial cavity is covered by the synovial membrane and it is filled with the synovial fluid.