Bursa
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  Bursa



Bursa

    A fluid-filled sac. They are found between tissue planes where shearing forces may act - e.g. at the knee and elbow. They are lined by synovium and contain synovial fluid - like the joint. Bursitis occurs when they are inflamed.

RELATED TERMS
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Sac
"Pouch; a bag-like structure."

Tissue
Biological tissue is a group of cells that perform a similar function.The study of tissues is known as histology, or, in connection with disease, histopathology.The classical tools for studying the tissues are the wax block, the tissue stain, and the optical microscope, though developments in electron microscopy, immunofluorescence, and frozen sections have all added to the sum of knowledge in the last couple of decades.

Knee
The complex hinge joint of the upper and lower leg involving the femur, tibia and patella.

Elbow
The juncture of the long bones in the middle portion of the arm. The bone of the upper arm (humerus) meets both the ulna (the inner bone of the forearm) and radius (the outer bone of the forearm) to form a hinge joint at the elbow. The radius and ulna also meet one another in the elbow to permit a small amount of rotation of the forearm. The elbow therefore functions to move the arm like a hinge (forward and backward) and in rotation (outward and inward). The biceps muscle is the major muscle that flexes the elbow hinge, and the triceps muscle is the major muscle that extends it. The primary stability of the elbow is provided by the ulnar collateral ligament, located on the medial (inner) side of the elbow. The outer bony prominence of the elbow is the lateral epicondyle, a part of the humerus bone. Tendons attached to this area can be injured, causing inflammation or tendonitis (lateral epicondylitis, or tennis elbow). The inner portion of the elbow is a bony prominence called the medial epicondyle of the humerus. Additional tendons from muscles attach here and can be injured, likewise causing inflammation or tendonitis (medial epicondylitis, or golfer's elbow).

Synovium
Thin membrane (normally one cell thick) which is found within the joint capsule. Produces synovial fluid which lubricates and nourishes the joint cartilage. Becomes inflamed and thickened in inflammatory arthritis such as rheumatoid disease.

Joint
Where the ends of two or more bones meet.

Bursitis
See 'bursa' above.



SIMILAR TERMS
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Bursa Cocuk Hastanesi
The Bursa Cocuk Hastanesi is a hospital in Bursa, Turkey.

Bursa Devlet Hastanesi
The Bursa Devlet Hastanesi is a hospital in Bursa, Turkey.

Bursa doctors
All doctors near Bursa, Turkey. Doctors who can assist a patient in Bursa.

Bursa of Fabricius
An outpouching of the cloaca in birds; site of development of B cells in birds.

Bursae
Plural of bursa.

Bursal
Pertaining to a bursa.

Bursitis
See 'bursa' above.

Bursitis, aseptic
"A bursa is a closed fluid-filled sac that functions as a gliding surface to reduce friction between tissues of the body. When the bursa becomes inflamed, the condition is known as ""bursitis."" Most commonly this is not an infectious condition (aseptic bursitis)."

Bursitis, calcific
"A bursa is a thin fluid-filled sac that reduces friction forces between tissues of the body. Chronic (repeated of long-standing) inflammation of the bursa (bursitis) can lead to calcification of the bursa. This is referred to as ""calcific bursitis."" The calcium deposition (calcification) can occur as long as the inflammation is present."

Bursitis, elbow
Inflammation of the olecranon bursa, the bursa at the tip of the elbow is called the olecranon bursitis. A bursa is a fluid-filled sac that functions as a gliding surface to reduce friction between moving tissues of the body. Bursitis is usually not infectious, but the bursa can become infected. Treatment of non- infectious bursitis includes rest, ice, and medications for inflammation and pain. Infectious bursitis is treated with antibiotics, aspiration, and surgery.

Bursitis, hip
Inflammation of a bursa of the hip joint. 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. Treatment of non-infectious bursitis includes rest, ice, and medications for inflammation and pain. Infectious bursitis is treated with antibiotics, aspiration, and surgery.

Bursitis, knee
Inflammation of a bursa of the knee joint. A bursa is a fluid-filled sac that functions as a gliding surface to reduce friction between moving tissues of the body. There are three major bursae of the knee. Bursitis is usually not infectious, but the bursa can become infected. Treatment of non-infectious bursitis includes rest, ice, and medications for inflammation and pain. Infectious bursitis is treated with antibiotics, aspiration, and surgery.

Bursitis, septic
"A bursa is a closed fluid-filled sac that functions as a gliding surface to reduce friction between tissues of the body. When the bursa becomes inflamed, the condition is known as ""bursitis."" When the bursa is infected with bacteria, the condition is called septic bursitis. "

Bursitis, shoulder
Inflammation of a bursa of a shoulder joint. 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 shoulder. Bursitis is usually not infectious, but the bursa can become infected. Treatment of non-infectious bursitis includes rest, ice, and medications for inflammation and pain. Infectious bursitis is treated with antibiotics, aspiration, and surgery.

Bursopathy
Disease involving a bursa, a closed fluid-filled sac that supplies a gliding surface to reduce friction between tissues of the body. Bursopathy includes, for instance, inflammation of a bursa (bursitis).



PREVIOUS AND NEXT TERMS
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Boutonniere deformity
Deformity of finger due to fixed flexion of proximal interphalangeal joint and hyperextension of distal interphalangeal joint.

Brachial neuritis
A neuropathy involving symptoms in an upper limb. Pain and weakness may be out of proportion to sensory abnormality. (Brachial plexus neuropathy, Neuralgic amyotrophy)

Brodie's abscess
Occurs in chronic osteomyelitis - especially in upper tibia.

Brown's syndrome
Diplopia due to interference with smooth operation of superior oblique tendon. May occur in rheumatoid arthritis.

Buerger's disease
A peripheral vascular disorder in which there is granulomatous infiltration of the arteries, predominantly in the lower limbs.

Bursa

Bursitis
See 'bursa' above.

Billing medical software
A specific type of software addressed to medical charging and billing needs.

Brinerdin
An antihypertensive agent produced by Novartis and based on reserpine, clopamide, dihydroergocristine, and hydralazin.

Butazolidin
A non-steroidal anti-inflammatory drug manufactured by Novartis and based in phenylbutazone.

Best's disease
Also called Vitelliform macular dystrophy. Causes atrophy of the RPE and photoreceptors in the macula. Late in the disease there is a loss of visual acuity to legal blindness and a blind spot in central vision. No treatment is available.

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