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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «S»:

  1. Saccadic movement Saccadic movement
    Saccadic movement: See: Saccade....
  2. Saccharin Saccharin
    Saccharin: An artificial sweetener which diluted in water is 300-500 times sweeter than the sugar sucrose. (The chemical name for saccharin is o-sulfabenzamide; 2,3-dihydro-3-oxobenzisosulfonazole).The US government removed saccharin from its list of potential cancer-causing agents in 2000 because t...
  3. Saccharomyces cerevisiae Saccharomyces cerevisiae
    Saccharomyces cerevisiae: Baker's yeast. The simplest single-cell organism that operates in a manner similar to a human cell and therefore an important model organism in genetics and molecular biology. The Saccharomyces cerevisiae genome has been sequenced....
  4. Saccharomyces cerevisiae genome Saccharomyces cerevisiae genome
    Saccharomyces cerevisiae genome: See: Yeast genome....
  5. Saccular Saccular
    Saccular: From the Latin "sacculus" meaning a small pouch. As for example the alveolar saccules (little air pouches) within the lungs....
  6. Saccular aneurysm Saccular aneurysm
    Saccular aneurysm: An aneurysm that resembles a small sack. A berry aneurysm is typically saccular. An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an aneurysm, there is typically a bulge and the wall is weakened and may rupture. The word "ane...
  7. Sacral Sacral
    Sacral: Referring to the sacrum, the 5 vertebral bones situated between the lumbar vertebrae and the coccyx (the lowest segment of the vertebral column). The 5 sacral vertebrae are represented by the symbols S1 through S5. There are correspondingly 5 sacral nerves. The sacral vertebrae are normally ...
  8. Sacral agenesis Sacral agenesis
    Sacral agenesis: see agenesis, sacral....
  9. Sacral vertebrae Sacral vertebrae
    Sacral vertebrae: There are 5 sacral vertebral bones. They are represented by the symbols S1 through S5 and are situated between the lumbar vertebrae and the coccyx (the lowest segment of the vertebral column). The sacral vertebrae are normally fused to form the sacrum....
  10. Sacrococcygeal Sacrococcygeal
    Sacrococcygeal: Pertaining to both the sacrum and coccyx (the tailbone). Teratomas are often in the sacrococcygeal region in children....
  11. Sacroiliac joint dysfunction (SI Joint Pain) Sacroiliac joint dysfunction (SI Joint Pain)
    Sacroiliac joint dysfunction: Pain arising from abnormalities or injury of the sacroiliac (SI) joints. The SI joints connect the spine to the pelvis and are formed by the connection of the sacrum and the right and left iliac bones. The sacrum, or lower portion of the spine, is made up of five verte...
  12. Sacroiliac joint pain Sacroiliac joint pain
    Sacroiliac joint pain: See sacroiliac joint dysfunction....
  13. Sacrum Sacrum
    Sacrum: The large heavy bone at the base of the spine, which is made up of fused sacral vertebrae. The sacrum is located in the vertebral column, between the lumbar vertebrae and the coccyx. It is roughly triangular in shape and makes up the back wall of the pelvis. The female sacrum is wider an...
  14. SAD SAD
    SAD: Seasonal affective disorder, a form of depression that tends to occur as the days grow shorter in the fall and winter. It is believed that affected persons react adversely to the decreasing amount of light and the colder temperature as autumn and winter progress. The symptoms of SAD include re...
  15. Saddle gall Saddle gall
    Saddle gall: A sore on a horse caused by an ill-fitting saddle. Also called a saddle sore....