e1 trisomy syndrome
21Syndrome, Down — A common chromosome disorder due to an extra chromosome number 21 (trisomy 21). Down syndrome causes mental retardation, a characteristic face, and multiple malformations. Down syndrome is a relatively common birth defect. The chromosome… …
22trisomy 21 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… …
23trisomy 21 — noun a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation • Syn: ↑mongolism, ↑mongolianism, ↑Down s syndrome, ↑Down syndrome • Hypernyms: ↑trisomy, ↑birth defect, ↑ …
24trisomy-21 — 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… …
25trisomy 18 — also called Edwards syndrome human chromosomal disorder that results from an extra (third) copy of chromosome (chromosome number) 18. Infants born with this disorder are smaller than average and usually do not survive longer than a few… …
26Syndrome, trisomy 13 — Condition with three rather than the normal two chromosomes #13. Children born with this syndrome have multiple malformations and mental retardation due to the extra chromosome #13. The congenital malformations (birth defects) commonly include… …
27Trisomy 13 syndrome — Condition with three rather than the normal two chromosomes #13. Children born with this syndrome have multiple malformations and mental retardation due to the extra chromosome #13. The congenital malformations (birth defects) commonly include… …
28Syndrome de Down — « trisomie 21 » redirige ici. Pour les autres significations, voir Trisomie 21 (groupe). Syndrome de Down Classification et ressources externes …
29trisomy 21 — noun Etymology: from the occurrence of trisomy in chromosome 21 of persons with Down syndrome Date: 1961 Down syndrome …
30Trisomy 18 syndrome — There are three instead of the normal two chromosomes #18. Children with this condition have multiple malformations and mental retardation due to the extra chromosome #18. The children characteristically have low birth weight, small head… …
