What is the function of synovial fluid?

The primary function of synovial fluid is to lubricate joints. This viscous fluid is found within the synovial cavity of joints, serving several essential roles. It reduces friction between the articular cartilages of synovial joints during movement, allowing for smoother and easier motion. Additionally, synovial fluid nourishes the articular cartilage, providing it with necessary nutrients, and helps in shock absorption during joint loading.

This lubrication is crucial for maintaining joint health and function, especially in weight-bearing or highly mobile joints, thereby preventing damage to the cartilage and other joint structures. Understanding this function is important for recognizing how joint health is maintained and the role of synovial fluid in various pathologies associated with joint disorders.