synovial fluid

…compounded by a reduction in synovial fluid, which acts as a natural joint lubricant and shock absorber.

Synovial joint lubrication is significantly reduced in osteoarthritis. Although its suffix indicates otherwise, osteoarthritis does not involve excessive joint inflammation.

…secrete a viscous liquid called synovial fluid; this liquid contains protein and hyaluronic acid and serves as a lubricant and nutrient for the joint cartilage surfaces.

…the synovial membrane, is called synovia, hence the common name for this class of joints. Two or more parts of the bursal wall become cartilage (chondrify) during prenatal life. These are the parts of the bursa that are attached to the articulating bones, and they constitute the articular cartilage of…

The main features of synovial fluid are: (1) Chemically, it is a dialyzate (a material subjected to dialysis) of blood plasma—that is, the portion of the plasma that has filtered through a membrane—but it contains a larger amount of hyaluronic acid than other…