Synovium
Synovium
Synovium (pronunciation: /sɪˈnoʊviəm/), also known as the synovial membrane, is a specialized connective tissue that lines the inner surface of capsules of synovial joints and tendon sheath. It makes direct contact with the synovial fluid that lubricates the joints.
Etymology
The term "synovium" comes from the Greek words "syn" meaning "with" and "ovum" meaning "egg", referring to the egg-like consistency of synovial fluid.
Function
The primary function of the synovium is to produce and maintain the synovial fluid that lubricates and nourishes the cartilage and bones within the joint capsule. It also plays a role in the nutrition and waste removal of the cells within the joint.
Related Terms
- Synovial Joint: A type of joint that is surrounded by a thick flexible capsule (synovium) filled with synovial fluid which reduces friction between the articular cartilage of synovial joints during movement.
- Synovial Fluid: A viscous, non-Newtonian fluid found in the cavities of synovial joints. It reduces friction between the articular cartilage during movement.
- Cartilage: A resilient and smooth elastic tissue, rubber-like padding that covers and protects the ends of long bones at the joints, and is a structural component of the rib cage, the ear, the nose, the bronchial tubes, the intervertebral discs, and many other body components.
- Joint Capsule: The joint capsule, or articular capsule, is a structure that encloses the joint cavity of synovial joints.
External links
- Medical encyclopedia article on Synovium
- Wikipedia's article - Synovium
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