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The knee bursae are the fluid-filled sacs and synovial pockets that surround and sometimes communicate with the knee joint cavity. The bursae are thin-walled, and filled with synovial fluid . They represent the weak point of the joint, but also provide enlargements to the joint space. [ 1 ]
A synovial bursa, usually simply bursa (pl.: bursae or bursas), is a small fluid-filled sac lined by synovial membrane with an inner capillary layer of viscous synovial fluid (similar in consistency to that of a raw egg white). It provides a cushion between bones and tendons and/or muscles around a joint. This helps to reduce friction between ...
Immune deficiencies, including HIV and diabetes, can also cause bursitis. [1] Traumatic injury is another cause of bursitis. The inflammation irritates because the bursa no longer fits in the original small area between the bone and the functionary muscle or tendon. When the bone increases pressure upon the bursa, bursitis results.
Prepatellar bursitis is an inflammation of the prepatellar bursa at the front of the knee. It is marked by swelling at the knee, which can be tender to the touch and which generally does not restrict the knee's range of motion. It can be extremely painful and disabling as long as the underlying condition persists.
The Cowboys lost linebacker DeMarvion Overshown to a right knee injury in the fourth quarter. ... “Landed on it a couple times. Probably a bursa (sac). It’ll be sore. We’ll see.”
What is a ruptured bursa sac? Bursa sacs are small, thin pouches, or sacs, of fluid found at many points on the body, including the elbows, hips and kneecaps. They act as cushions for bony ...
The synovial sac is one of the seven parts of a joint located in the body, along with muscle, tendon, ligament, bone, articular cartilage and bursa. The synovial sac is a thin tissue that lines the joint. It is filled with a fluid that works like oil in a car, lubricating the joint and making it move easily.
The synovial sac of the knee joint can, under certain circumstances, produce a posterior bulge, into the popliteal space, the space behind the knee. When this bulge becomes large enough, it becomes palpable and cystic. Most Baker's cysts maintain this direct communication with the synovial cavity of the knee, but sometimes, the new cyst pinches ...