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All synovial joints contain a joint cavity. Synovial joints differ from the other joints: Fibrous and cartilaginous joints. Synovial is different because of its structure, and includes several parts including a joint cavity.
Synovial joints have a fibrous articular capsule lined with synovial membrane surrounding a joint cavity.
Synovial
synovial joints have synovial cavities
Synovial fluid is contained in the synovial membrane.
A synovial joint contains a fluid-filled joint cavity enclosed by an articular capsule. Some of them are enforced by ligaments. Synovial joints are freely movable and examples include the elbow joint and wrist joint.
a joint cavity, the potential space bounded by the synovial membrane and articular cartilages of all synovial joints. Normally, the articular cavity contains only sufficient synovial fluid to lubricate the internal surfaces.
Synovial Joints
Common features:1. Articular cartilage - covers opposing bone surfaces.2. Joint cavity.3. Articular capsule - cavity enclosed by a double-layered articular capsule. Synovial membrane lines the capsule internally and covers all internal joint surfaces that are not hyaline cartilage.4. Synovial fluid: provides a slippery weight-bearing film that reduces friction. Also provides nourishment to the cartilage.5. Reinforcing ligaments: joints reinforced and strengthened by a number of ligaments.
The joints in the body that have the most movement are called synovial joints, or freely moving joints. Technically they are classified as diarthrotic joints. The difference between synovial joints and the other types of joints is that they contain a synovial sheath that supplies them with synovium, a lubricating fluid. Of the six different types of synovial joints the ball-and-socket joints have the greatest amount of movement. The four ball-and-socket joints in the human body are the ileofemoral joints, hip joints, and the glenohumeral joints, the shoulders.
Synovial joints.
Synovial - the articulating bone ends are covered with articular cartilage, and enclosed within an articular capsule that is typically reinforced by ligaments externally. Internally the fibrous capsule is lined with a smooth synovial membrane that secretes synovial fluid.