Down syndrome screening

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• Down syndrome — Classification and external resources Boy with Down syndrome assembling a …   Wikipedia

• Down syndrome — Pathol. a genetic disorder, associated with the presence of an extra chromosome 21, characterized by mild to severe mental retardation, weak muscle tone, a low nasal bridge, and epicanthic folds at the eyelids. Also, Down s syndrome. Formerly,… …   Universalium

• Health aspects of Down syndrome — Down syndrome is a genetic disease resulting from the presence of all or part of an extra 21st chromosome (trisomy 21). The medical consequences of this extra genetic material are highly variable and may affect the function of any organ system or …   Wikipedia

• Genetic origins of Down syndrome — Down syndrome is a chromosomal abnormality characterized by the presence of an extra copy of genetic material on the 21st chromosome, either in whole (trisomy 21) or part (such as due to translocations). The effects of the extra copy varies… …   Wikipedia

• Syndrome de down — « trisomie 21 » redirige ici. Pour les autres significations, voir Trisomie 21 (groupe) …   Wikipédia en Français

• Down's syndrome — Down syndrome a condition resulting from a chromosomal abnormality most commonly due to the presence of three copies of chromosome 21 (trisomy 21), which is most likely to occur with advanced maternal age. Down s syndrome can also occur as a… …   The new mediacal dictionary

• Syndrome de Down — « trisomie 21 » redirige ici. Pour les autres significations, voir Trisomie 21 (groupe). Syndrome de Down Classification et ressources externes …   Wikipédia en Français

• syndrome — The aggregate of symptoms and signs associated with any morbid process, and constituting together the picture of the disease. SEE ALSO: disease. [G. s., a running together, tumultuous concourse; (in med.) a concurrence of symptoms, fr. syn,… …   Medical dictionary

• XYY syndrome — Not to be confused with XXY (2 X s, Klinefelter s syndrome). XYY syndrome Classification and external resources Y chromosome ICD 10 Q …   Wikipedia

• Turner syndrome — or Ullrich Turner syndrome encompasses several conditions, of which monosomy X is the most common. It is a chromosomal disorder affecting females in which all or part of one of the X chromosomes is absent. Occurring in 1 out of every 2500 girls,… …   Wikipedia

• Fetal alcohol syndrome — (FAS) is a disorder of permanent birth defects that occurs in the offspring of women who drink alcohol during pregnancy. It is unknown whether amount, frequency or timing of alcohol consumption during pregnancy causes a difference in degree of… …   Wikipedia