Joint fluid is a transudate of plasma that is actively secreted by synovial cells. [ https://www.ncbi.nlm.nih.gov/books/NBK274/ ]
- UMLS:C0039097 (ncithesaurus:Synovial_Fluid)
Joint fluid is a transudate of plasma that is actively secreted by synovial cells.
Portion of organism substance that is a clear fluid that occupies the space in synovial joints.[TAO]
It provides nutrients and lubrication for articular cartilage
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