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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «S»:

  1. Syndrome, kinky hair Syndrome, kinky hair
    Syndrome, kinky hair: See: Menkes syndrome....
  2. Syndrome, Klinefelter Syndrome, Klinefelter
    Syndrome, Klinefelter: A chromosome condition in boys and men that is usually due to their having 47 chromosomes with XXY sex chromosomes, rather than having the usual 46 chromosomes with XY sex chromosomes. XXY is one of the most common chromosomal abnormalities. It occurs in 1 in 500 male birth...
  3. Syndrome, Klippel-Feil Syndrome, Klippel-Feil
    Syndrome, Klippel-Feil: See: Klippel-Feil sequence....
  4. Syndrome, Klippel-Trenaunay-Weber (KTW) Syndrome, Klippel-Trenaunay-Weber (KTW)
    Syndrome, Klippel-Trenaunay-Weber (KTW): A congenital malformation syndrome characterized by the triad of asymmetric limb hypertrophy, hemangiomata, and nevi. "Asymmetric limb hypertrophy" is enlargement of one limb and not the corresponding limb on the other side, the enlarged limb being ...
  5. Syndrome, Kostmann Syndrome, Kostmann
    Syndrome, Kostmann: A condition with a lack of neutrophils (a type of white blood cell that is important in fighting infection). Children with the syndrome suffer frequent infections from bacteria which in the past led to death in three-quarters of cases before 3 years of age. This disease is also ...
  6. Syndrome, Landau-Kleffner Syndrome, Landau-Kleffner
    Syndrome, Landau-Kleffner: See Landau-Kleffner syndrome....
  7. Syndrome, Launois-Bensaude Syndrome, Launois-Bensaude
    Syndrome, Launois-Bensaude: A disorder characterized by painless symmetrical diffuse deposits of fat beneath the skin of the neck, upper trunk, arms and legs. The condition is thought to be genetic although its exact mode of inheritance is uncertain; it may be a mitochondrial DNA disease. It freque...
  8. Syndrome, Lennox Syndrome, Lennox
    Syndrome, Lennox: See: Lennox syndrome....
  9. Syndrome, Lennox-Gastaut Syndrome, Lennox-Gastaut
    Syndrome, Lennox-Gastaut: A severe form of epilepsy that usually begins in early childhood and is characterized by frequent seizures of multiple types, mental impairment, and a particular brain wave pattern (a slow spike-and-wave pattern). The seizures that are notoriously hard to treat and may lea...
  10. Syndrome, Lenz microphthalmia Syndrome, Lenz microphthalmia
    Syndrome, Lenz microphthalmia: See: Lenz microphthalmia syndrome....
  11. Syndrome, Li-Fraumeni (LFS) Syndrome, Li-Fraumeni (LFS)
    Syndrome, Li-Fraumeni (LFS): This is an extraordinary cancer family syndrome. People with LFS have a tendency to develop a great diversity of tumors. LFS was first discovered in 1969. By reviewing the medical records and death certificates of children with a relatively rare tumor, a soft tissue ...
  12. Syndrome, lipodystrophy Syndrome, lipodystrophy
    Syndrome, lipodystrophy: A disturbance of lipid (fat) metabolism that involves the partial or total absence of fat and often the abnormal deposition and distribution of fat in the body. There are a number of different lipodystrophy syndromes. Some of them are congenital (present at birth) whil...
  13. Syndrome, locked-in Syndrome, locked-in
    Syndrome, locked-in: A neurological disorder characterized by complete paralysis of voluntary muscles in all parts of the body except for those that control eye movement. The locked-in syndrome is usually a complication of a cerebrovascular accident (a stroke) in the base of the pons in the brainste...
  14. Syndrome, long QT Syndrome, long QT
    Syndrome, long QT: See Long QT syndrome....
  15. Syndrome, Marfan Syndrome, Marfan
    Syndrome, Marfan: See: Marfan syndrome....