Bursa

BURSA - A tissue space (fibrous sac) that is lined with synovial membrane (joint tissue) and contains a small quantity of synovial fluid (joint fluid). Bursas are found in between tendon and bone, skin and bone, and muscles.
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What is a “Knee Joint and Bursa Infection?" (Bursitis)
The bursae (singular: bursa) are fluid-filled sacs in the knee that aid in reducing friction as the joint moves.
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Bursae are small pouches or sacs that are found over areas where friction may develop and serve to cushion or lubricate the area between tendon and bone.
Bursitis is inflammation of a bursa sac.
Over 150 bursae are in the body.
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Bursae are fluid-filled cavities near joints where tendons or muscles pass over bony projections. They assist movement and reduce friction between moving parts.
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bursa
A small, fluid-filled sac that allows one part of a joint to move freely over another part.
bursitis ...
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Two specific bursae -- Semimembranosus and Gastrocnemius -- are the most common source of popliteal cysts in children.
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The shoulder bursa can become inflamed from repetitive motion of the shoulder. Shoulder bursitis often occurs in sports with overhead activities such as swimming, tennis, or throwing.
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Hip bursitis: A bursa is a fluid-filled sac that functions as a gliding surface to reduce friction between moving tissues of the body. There are two major bursae of the hip. Bursitis is usually not infectious, but the bursa can become infected.
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The knee has 15 bursae, fluid-filled sacs that act as shock absorbers and protect the bones, joints and tendons from the harm friction can cause.
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There are over 150 bursae in the human body. Usually bursae are present from birth, but they may form in response to repeated pressure. Each sac contains a small amount of synovial fluid, a clear liquid that acts as a lubricant.
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When the popliteal bursa fills with fluid and expands, the result is a bulge called a Baker's cyst. In texture, it's similar to a balloon filled with water.
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(brs´ts), acute or chronic inflammation of a bursa, or fluid sac, located close to a joint.
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Bursitis is inflammation of a bursa, a small sac of fluid that cushions and lubricates an area where joint-related tissues"including bone, tendon, ligament, muscle, or skin"rub against one another.
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bursas - fluid-filled sacs, called bursas, between bones, ligaments, or other adjacent structures help cushion the friction in a joint.
synovial fluid - a clear, sticky fluid secreted by the synovial membrane.
femur - the thigh bone.
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Bursitis - Bursitis means inflammation of a bursa, a sac that lines many joints and allows tendons and muscles to move easily when the joint is moving. In the heel, bursitis may cause pain at the underside or back of the heel.
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Joint pain may also be caused by bursitis (inflammation of the bursae). The bursae are fluid-filled sacs that cushion and pad bony prominences, allowing muscles and tendons to move freely over the bone.
Common Causes: ...
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BursitisInflammation of a bursa, a fluid-filled cavity or sac. In the body, bursae are located at places where friction might otherwise develop.
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The roof, sloping downward from anterior to posterior, is bordered by the pharyngeal hypophysis, pharyngeal tonsil, and pharyngeal bursa with the base of the skull above.
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Overstimulation of the bursa causes the synovial membrane to produce excess fluid. This distends the bursa, which causes the discomfort.
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The maturation of B cells takes place in birds in an organ called the bursa of Fabricus. B cells in mammals mature largely in the bone marrow.
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