artilage produces a wonderful lubrication 关节软骨产生关节液 mechanism with almost zero friction, which helps us articulate our joints during daily activities. 关节液使日常运动零摩擦 Synovial fluid - thick viscous fluid layer inside the joint 关节液粘稠的 2017-5-5 Knee: Articular Cartilage Hyaline position 透明软骨组成 Cells 细胞 Chondrocytes (only one kind) Fluid 80% Water by Volume Extracelluar Matrix - The Framework provides form & stability Collagens 胶原 Proteoglycans 蛋白多糖 Non-collagenous proteins 2017-5-5 Knee: Cartilage 正常成熟关节软骨结构 2017-5-5 Knee: Articular Cartilage Chondral bone Subchondral bone Joint fluid Force The interaction between water & framework gives cartilage mechanical properties of stiffness & resilience. 交换水及矿物质软骨的损伤骨关节炎髌骨软化剥脱性骨软骨炎骨软骨骨折局部特发性骨坏死 X线和 CT关节腔双重造影曾是检出软骨损伤的可靠影象学方法技术烦琐需注射大量的空气痛苦—逐渐被放弃
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