Uberon definition : Joint fluid is a transudate of plasma that is actively secreted by synovial cells.;
Uberon synonym : joint fluid;
Uberon Function note : It provides nutrients and lubrication for articular cartilage;
Uberon Structure note : The fluid contains hyaluronan secreted by fibroblast-like cells in the synovial membrane,
lubricin (proteoglycan 4; PRG4) secreted by the surface chondrocytes of the articular
cartilage and interstitial fluid filtered from the blood plasma;