Synovial fluid
（重定向自Synovia）
![](/Images/godic/202502/14/Joint.svg5417.png")
![](/Images/godic/202502/14/Illu_synovial_joint5417.jpg")
![](/Images/godic/202502/14/Illu_synovial_joint.es5417.png")
Synovia, more often called synovial fluid, is a viscous, non-Newtonian fluid found in the cavities of synovial joints. With its egg white–like consistency, the principal role of synovial fluid is to reduce friction between the articular cartilage of synovial joints during movement.