Synovial bursa
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Bursa (Anatomy))
A bursa (plural bursae) is a small fluid-filled sac lined by synovial membrane with an inner capillary layer of slimy 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 the bones and allows free movement. Bursae are filled with synovial fluid and are found around most major joints of the body.
[edit] Etymology
Bursa is Latin for purse, due to its resemblance to a purse. There are different types of bursa. Bursae is its plural form.
There are four types of Bursa namely adventitious, subcutaneous, synovial, Sub muscular. Among these, only Adventitious is non-native. When any surface of the body is subjected to repeated stress, an adventitious bursa develops under it. Example: Students elbow, bunion.
[edit] Pathology
Infection or irritation of a bursa leads to bursitis (inflammation of a bursa). The general term for disease of bursae is "bursopathy". Current medical studies have no specific knowledge of the entire bursae system.
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