synovial fluid n.
See synovia.
| synovial fluid (sĭ-nō'vē-əl) Pronunciation Key
A clear fluid secreted by membranes in joint cavities, tendon sheaths, and bursae, and functioning as a lubricant. When a joint disorder is present, the synovial fluid that is removed and examined can contain indicators of disease, such as white blood cells or crystals. |