liigeseõõnde

Liigeseõõnde (also known as joint cavity or synovial cavity) is a key anatomical feature of synovial joints, which are the most freely movable type of joints in the human body. It is a small, fluid-filled space located between the articulating surfaces of two bones that form a joint. This cavity is essential for smooth and pain-free motion of the joint.

The primary component of the liigeseõõnde is synovial fluid, a viscous, clear fluid that lubricates the articulating surfaces, reducing friction during movement. The synovial membrane lines the inner surface of the joint capsule and secretes this fluid. The joint capsule itself is a fibrous envelope that encloses the liigeseõõnde, providing stability while allowing mobility.

The liigeseõõnde contains a small amount of synovial fluid, which also supplies nutrients to and removes waste from the articular cartilage covering the bones. This cartilage acts as a cushion and shock absorber, enhancing joint function. The size and shape of the liigeseõõnde vary depending on the joint type and its range of motion.

Pathologies involving the liigeseõõnde include inflammation (synovitis), presence of excess fluid (effusion), or joint infections. These conditions can impair joint mobility and cause pain. Diagnostic procedures such as joint aspiration involve extracting fluid from the liigeseõõnde for analysis, aiding in medical assessment and treatment planning.

Understanding the structure and function of the liigeseõõnde is fundamental in studying joint mechanics, diagnosing joint disorders, and designing treatments or interventions for joint health and mobility.