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Drugs and diseases reference index

Drugs and diseases reference index
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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «S»:

  1. SSPE SSPE
    SSPE: Subacute sclerosing panencephalitis, a chronic brain disease of children and adolescents that occurs months to often years after an attack of measles, causing convulsions, motor abnormalities, mental retardation and, usually, death. ...
  2. SSRI SSRI
    SSRI: Abbreviation for selective serotonin reuptake inhibitors, commonly prescribed drugs for treating depression. SSRIs affect the chemicals that nerves in the brain use to send messages to one another. These chemical messengers, called neurotransmitters, are released by one nerve and taken up by o...
  3. St John's wort St John's wort
    St John's wort: A flowering plant, Hypericum perforatum, also known as Perforate St John's wort, that has long been believed to have medicinal qualities. There is, in fact, some evidence that St John's wort may possibly be useful in diminishing depression. K Linde and coworkers reviewed 23 published...
  4. St. Anthony's fire St. Anthony's fire
    St. Anthony's fire: The intensely painful burning sensation in the limbs and extremities caused by ergot, the consequence of a fungus (Claviceps purpurea) that contaminates rye and wheat. The fungus produces substances (alkaloids) termed ergotamines that constrict blood vessels and cause the muscle ...
  5. St. Joseph Moscati St. Joseph Moscati
    St. Joseph Moscati: See: Moscati, St. Joseph....
  6. St. Louis encephalitis St. Louis encephalitis
    St. Louis encephalitis: A disease caused by a virus (first observed in Illinois in 1932) transmitted from birds to the common Culex mosquito to people. St. Louis encephalitis occurs typically in the summer and early fall. In the U.S., the virus is rarely found outside the Southeast. Signs and symp...
  7. St. Vitus dance St. Vitus dance
    St. Vitus dance: Another name for Sydenham chorea. St. Vitus is the patron saint of epileptics, dancers, and actors....
  8. Stachybotrys Stachybotrys
    Stachybotrys: An antigenic green-black mold that grows on wood, paper and cotton products provided there is constant moisture. Stachybotrys can produce toxic chemicals called mycotoxins that are present on spores and small fragments of the fungus released into the air. Some people have a reaction...
  9. Staff of Aesculapius Staff of Aesculapius
    Staff of Aesculapius: A rod or stick with the snake curled around it is the staff (the rod) of Aesculapius (also called Asklepios or Asclepius), the ancient god of medicine. His Greek name was Asklepios and his Roman name Aesculapius. In reality, Asklepios may have been a real person who was ren...
  10. Stage Stage
    Stage: As regards cancer, the extent of a cancer, especially whether the disease has spread from the original site to other parts of the body. See also: Staging....
  11. Stage of dilatation Stage of dilatation
    Stage of dilatation: The part of labor when the cervix dilates fully (to 10 centimeters). Also called the first stage of labor....
  12. Stage of expulsion Stage of expulsion
    Stage of expulsion: See: Second stage of labor....
  13. Staging Staging
    Staging: In regard to cancer, the process of doing examinations and tests to learn the extent of the cancer, especially whether it has metastasized (spread) from its original site to other parts of the body....
  14. Staging, laparoscopic Staging, laparoscopic
    Staging, laparoscopic: See: Laparoscopic staging....
  15. Stain, Gram Stain, Gram
    Stain, Gram: The Danish bacteriologist J.M.C. Gram (1853- 1938) devised a method of staining bacteria using a dye called crystal (gentian) violet. Gram's method helps distinguish between different types of bacteria. The gram-staining characteristics of bacteria are denoted as positive or negativ...