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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. Schizophrenia, childhood Schizophrenia, childhood
    Schizophrenia, childhood: The onset of schizophrenia before adulthood. This condition is very rare in young children, but occurs with more frequency in the teenage years. Autism was once known as childhood schizophrenia, but is a completely different disorder. See also autism, childhood disin...
  2. Schizotypal personality disorder Schizotypal personality disorder
    Schizotypal personality disorder: A type of personality characterized by unusual patterns of speech and behavior and by social withdrawal. See also Asperger syndrome. ...
  3. Schmorl's node Schmorl's node
    Schmorl's node: An upward and downward protrusion (pushing into) of a spinal disk's soft tissue into the bony tissue of the adjacent vertebrae (the bony building blocks of the spine). Schmorl's nodes are detectable with an x-ray test as a spine abnormality . Schmorl's nodes are most common in the m...
  4. Schonlein-Henoch purpura Schonlein-Henoch purpura
    Schönlein-Henoch purpura: A form of blood vessel inflammation (vasculitis) that typically affects small arterial vessels (capillaries) in the skin, kidneys, and intestinal tract. The disease presents characteristically as a skin rash associated with joint inflammation (arthritis) and cramping...
  5. School, first American medical School, first American medical
    School, first American medical: See: First American medical school....
  6. School, medical School, medical
    School, medical: See: Medical school....
  7. Schwartz-Jampel syndrome Schwartz-Jampel syndrome
    Schwartz-Jampel syndrome: A syndrome characterized by short stature, blepharophimosis (horizontal narrowing of the eye slits), joint limitation, and myotonia (prolonged muscle contractions with a delay in relaxation) The syndrome is inherited in an autosomal recessive manner and is due to mutations ...
  8. Sciatic nerve Sciatic nerve
    Sciatic nerve: The largest nerve in the body, the sciatic nerve begins from nerve roots in the lumbar part of the spinal cord (in the low back) and extends through the buttock area to send nerve endings down to the legs. Pain resulting from irritation of the sciatic nerve is called sciatica. The pa...
  9. Sciatica Sciatica
    Sciatica: Pain resulting from irritation of the sciatic nerve, typically felt from the low back to behind the thigh and radiating down below the knee. While sciatica can result from a herniated disc directly pressing on the nerve, any cause of irritation or inflammation of this nerve can reprodu...
  10. SCID SCID
    SCID: Severe combined immunodeficiency disease....
  11. Science (journal) Science (journal)
    Science (journal): A weekly journal concerning science. Science was founded in 1880 by one of the world's most famous scientists, Thomas Alva Edison, inventor of the light bulb. Science is the world's general scientific publication with the largest circulation. For the sake of comparison, Science's...
  12. Science, cognitive Science, cognitive
    Science, cognitive: Cognitive science is the study of the mind. It is an interdisciplinary science that draws upon many fields including neuroscience, psychology, philosophy, computer science, artificial intelligence, and linguistics. The purpose of cognitive science is to develop models that help...
  13. Scientist, medical Scientist, medical
    Scientist, medical: See: Medical scientist....
  14. Scintigraphy Scintigraphy
    Scintigraphy: A diagnostic test in which a two-dimensional picture of a body radiation source is obtained through the use of radioisotopes. For example, scintigraphy of the biliary system (cholescintigraphy) is done to diagnose obstruction of the bile ducts by a gallstone, a tumor, or another proble...
  15. Scintimammography Scintimammography
    Scintimammography: A scintigraphic imaging technique that uses the radioisotope technetium tetrofosmin (Tc-99 tetrofosmin) to search for breast cancer. Scintimammography can sometimes detect breast cancer in situations in which there is considerable uncertainty, as with dense breast tissue. Dense b...