Which of the following structures prevents direct contact between the bony surfaces of synovial joints?

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Key Concepts

Synovial Joint Structure

Synovial joints are characterized by a fluid-filled joint cavity that allows free movement between bones. Key components include articular cartilage, synovial membrane, and joint capsule, all working together to facilitate smooth motion and reduce friction.

Articular Cartilage

Articular cartilage is a smooth, white tissue covering the ends of bones in synovial joints. It prevents direct bone-to-bone contact by providing a cushioning surface that absorbs shock and reduces friction during movement.

Synovial Fluid

Synovial fluid is a viscous liquid secreted by the synovial membrane within the joint cavity. It lubricates the joint, nourishes the articular cartilage, and further minimizes friction between the bony surfaces during joint movement.