Synovia
The joint fluid. The term synovia was invented in 1520 by the Swiss physician (and alchemist) Paracelsus who combined the Greek syn-(together) and oon (egg) to create a name for any body fluid that looked like the white of an egg. Today, synovia is restricted to the fluid that lubricates joints.
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- Synovial chondromatosis
A disorder of a joint featuring a change of the normal joint lining (synovium) tissue’s cellular structure to form cartilage tissue. Synovial chondromatosis is rare. Synovial chondromatosis leads to pain in the affected joint as well as limitation of the range of motion and often locking. The cause of synovial chondromatosis is not known. Synovial […]
- Synovial cyst, popliteal
A swelling in the space behind the knee (the popliteal space). The swelling is composed of a membrane-lined sac filled with synovial fluid that has escaped from the joint. Commonly called Baker’s cyst.
- Synovial lining
The lining of the joints, normally only one or two cell layers thick, that is responsible for the production of the joint fluid. Also known as synovium.
- Synovial fluid
The slippery fluid that lubricates joints. Also known as synovia.
- Synovial membrane
A layer of connective tissue that lines the cavities of joints, tendon sheaths, and bursae and makes synovial fluid, which has a lubricating function.