title: The structure of joints.
mesh_terms: D002358:Cartilage, Articular / Q000166:cytology / Q000502:physiology; D002807:Chondroitin / Q000502:physiology; D004548:Elasticity; D007596:Joints; D008153:Lubrication; D013499:Surface Properties; D013582:Synovial Fluid / Q000502:physiology; D013583:Synovial Membrane / Q000166:cytology / Q000502:physiology
chemical_list: D002807:Chondroitin