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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «S»:

  1. Syndrome, Zellweger 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...
  2. Syndrome, Zollinger-Ellison 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...
  3. Syndromic Syndromic
    Syndromic: Part of a syndrome. Hearing loss, for instance, can be syndromic or nonsyndromic....
  4. Synesthesia 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...
  5. Synesthete 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...
  6. Synovectomy Synovectomy
    Synovectomy: Surgical removal of the joint lining. A synovectomy may be done to remove the inflamed lining of a joint in rheumatoid arthritis....
  7. Synovia 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...
  8. Synovial chondromatosis 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 ...
  9. Synovial cyst, popliteal 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. ...
  10. Synovial fluid Synovial fluid
    Synovial fluid: The slippery fluid that lubricates joints and provides nutrients to the cartilage. Also known as the synovia....
  11. Synovial lining Synovial lining
    Synovial lining: The lining of the joint. ...
  12. Synovial membrane 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....
  13. Synovial osteochondromatosis 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...
  14. Synovial sarcoma 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...
  15. Synovitis Synovitis
    Synovitis: Inflammation of the synovial membrane, the lining of the joint....