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Synovial fluid, also called synovia, is a viscous, non-Newtonian fluid found in the cavities of synovial joints. With its egg white –like consistency, [ 1 ] the principal role of synovial fluid is to reduce friction between the articular cartilage of synovial joints during movement. [ 2 ]
The water of synovial fluid is not secreted as such but is effectively trapped in the joint space by the hyaluronan. The macrophage-like synovial cells (derived from monocytes in blood) [3] are responsible for the removal of undesirable substances from the synovial fluid (hence are rich in Golgi apparatus). It accounts for approximately 25% of ...
The synovial cavity/joint is filled with synovial fluid. The joint capsule is made up of an outer layer of fibrous membrane, which keeps the bones together structurally, and an inner layer, the synovial membrane, which seals in the synovial fluid. They are the most common and most movable type of joint in the body of a mammal.
Instead of blood, they get their nutrition from synovial fluid, Dr. Halfman states. Just like we need blood flow to keep our tissues happy, we need fluid in our joints to flow to keep them happy ...
Synovitis is the medical term for inflammation of the synovial membrane. This membrane lines joints that possess cavities, known as synovial joints. The condition is usually painful, particularly when the joint is moved. The joint usually swells due to synovial fluid collection.
Knee effusion, informally known as water on the knee, occurs when excess synovial fluid accumulates in or around the knee joint. It has many common causes, including arthritis , injury to the ligaments or meniscus , or fluid collecting in the bursa , a condition known as prepatellar bursitis .
A small amount of fluid, called transcellular fluid, does exist normally in such spaces. For example, the aqueous humor, the vitreous humor, the cerebrospinal fluid, the serous fluid produced by the serous membranes, and the synovial fluid produced by the synovial membranes are all transcellular fluids. They are all very important, yet there is ...
Bursitis is the inflammation of one or more bursae (synovial sacs) of synovial fluid in the body. They are lined with a synovial membrane that secretes a lubricating synovial fluid. [1] There are more than 150 bursae in the human body. [1] The bursae rest at the points where internal functionaries, such as muscles and tendons, slide across bone ...