down syndrome
31Down's Syndrome Scotland — Down syndrome Classification and external resources Scottish boy with Down syndrome assembling a bookcase ICD 10 Q90 …
32Down or Down's, Syndrome — Down s syndrome, or Down syndrome, is a disorder caused by chromosome abnormalities that develop during germ cell formation. If the affected ovum or sperm takes part in fertilization, the fetus will exhibit the syndrome. Characteristics… …
33Down'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… …
34Down's syndrome — Down syndrome Down syn drome, Down s syndrome Down s syn drome, n. (Med.) A congenital disorder caused by an extra chromosome 21 in some or all cells. It causes a variable number and degree of abnormalities, including retarded growth, mental… …
35Syndrôme — Syndrome Pour les articles homonymes, voir syndrome (homonymie). Un syndrome est un ensemble de signes cliniques et de symptômes qu un patient est susceptible de présenter lors de certaines maladies, ou bien dans des circonstances cliniques d… …
36Down's syndrome — Down s ,syndrome noun uncount DOWN SYNDROME …
37Down — may refer to: Relative direction, where down is the direction towards the centre of gravity of a celestial object. Railroad directions, where down and up have locally significant meanings Down feather, a soft bird feather frequently used in… …
38Down'ssyndrome — Down s syndrome (dounz) n. Variant of Down syndrome. * * * …
39Down's syndrome — Down s′ syn′drome n. pat Down syndrome …
40Down — /down/, n. 1. a county in SW Northern Ireland. 311,876; 952 sq. mi. (2466 sq. km). Co. seat: Downpatrick. 2. an administrative district in this county. 49,500; 253 sq. mi. (654 sq. km). * * * I District (pop., 1999 est.: 63,800), Northern Ireland …
