Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «S»:
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Syndrome, Zellweger
Syndrome, Zellweger: A genetic disorder, also called the cerebrohepatorenal syndrome, characterized by the reduction or absence of peroxisomes (cell structures that rid the body of toxic substances) in the cells of the liver, kidneys, and brain. Zellweger syndrome is one of a group of disorders call...
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Syndrome, Zollinger-Ellison
Syndrome, Zollinger-Ellison: A rare disorder caused by a
tumor called a gastrinoma, most often occurring in the pancreas. The
tumor secretes the hormone gastrin, which causes increased production
of gastric acid leading to severe recurrent ulcers of the esophagus,
stomach, and the upper portions...
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Syndromic
Syndromic: Part of a syndrome. Hearing loss, for instance, can be syndromic or nonsyndromic....
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Synesthesia
Synesthesia: A condition in which normally
separate senses are not separate. Sight may mingle with sound, taste with touch, etc. The senses are cross-wired. For example, when a digit-color synesthete sees or just thinks of a number, the number appears with a color film over it. A given number's co...
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Synesthete
Synesthete: A person with synesthesia, a condition in which the normally
separate senses are not separate. Sight may mingle with sound, taste with touch, etc. The senses are cross-wired. For example, when a digit-color synesthete sees or just thinks of a number, the number appears with a color fil...
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Synovectomy
Synovectomy: Surgical removal of the joint lining. A synovectomy may be done to remove the inflamed lining of a joint in rheumatoid arthritis....
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Synovia
Synovia: The joint fluid. The term synovia was invented
in 1520 by the Swiss physician (and alchemist) Paracelsus who combined the Greek
syn-(together) and oon (egg) to create a name for any body fluid that looked like the
white of an egg. Today, synovia is restricted to the fluid that lubricates jo...
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Synovial chondromatosis
Synovial chondromatosis: A disorder of a joint featuring a change of the normal joint lining (synovium) tissue's cellular structure to form cartilage tissue. Synovial chondromatosis is rare. Synovial chondromatosis leads to pain in the affected joint as well as limitation of the range of motion and ...
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Synovial cyst, popliteal
Synovial cyst, popliteal: A swelling in the space
behind the knee (the popliteal space). The swelling is composed of a membrane-lined sac
filled with synovial fluid that has escaped from the joint. Commonly called Baker's
cyst. ...
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Synovial fluid
Synovial fluid: The slippery fluid that lubricates
joints and provides nutrients to the cartilage. Also known as the
synovia....
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Synovial lining
Synovial lining: The lining of the joint. ...
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Synovial membrane
Synovial membrane: A layer of connective tissue that lines the cavities of joints, tendon sheaths, and bursae and makes synovial fluid, which has a lubricating function....
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Synovial osteochondromatosis
Synovial osteochondromatosis: A disorder of a joint featuring a change of the normal joint lining (synovium) tissue's cellular structure to form bone-cartilage tissue. Synovial osteochondromatosis is uncommon. It typically presents in young to middle-aged adults. Synovial osteochondromatosis leads t...
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Synovial sarcoma
Synovial sarcoma: A malignant sarcoma of soft tissue that arises near but not in a joint, most often in an adolescent or young adult, is typically slow-growing, and may escapes notice until it causes pain. These tumors occur mainly in the arms or legs in the area of large joints, especially the kn...
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Synovitis
Synovitis: Inflammation of the synovial membrane, the
lining of the joint....
