Synovial joints are classified as diarthrosis joints with a joint capsule enclosing the joint and a synovial membrane secreting fluid to reduce friction. Articular cartilage ensures smooth bone surface, and bursae help tendons slide easily.
Synovial joint: A synovial joint is functionally classified as a diarthrosis joint. The joint capsule encloses the joint in a strong sheath, while the synovial membrane lines the joint capsule and secretes synovial fluid to reduce friction.
Articular cartilage: It provides a smooth surface on bone surfaces. Bursae are sacs of synovial fluid that permit tendons to slide easily across joints.
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