fragile-X syndrome — ▪ chromosomal disorder a chromosomal disorder associated with a fragile site on the end of the X chromosome. The major symptom of the syndrome is diminished mental ability, which may range from mild learning impairment to severe… … Universalium
Fragile X syndrome — One of the most common causes of inherited mental retardation and neuropsychiatric disease in human beings, affects as many as one in 2000 males and one in 4000 females. The syndrome is also known as FRAXA (the fragile X chromosome itself) and as … Medical dictionary
Chromosome, marker — An abnormal chromosome that is distinctive in appearance but not fully identified. A marker chromosome is not a marker of a specific disease. It is a marker chromosome merely in the sense that it can be distinguished under the microscope from all … Medical dictionary
Fragile X syndrome — Classification and external resources Location of FMR1 gene ICD 10 Q99.2 … Wikipedia
Chromosome X Humain — Portail de la biologie Le chromosome X … Wikipédia en Français
Chromosome X humain — Portail de la biologie Le chromosome X … Wikipédia en Français
Chromosome x humain — Portail de la biologie Le chromosome X … Wikipédia en Français
chromosome — [ kromozom ] n. m. • 1889; mot all. 1888, du gr. khrôma « couleur » et sôma « corps », « parce qu [ils] absorbent électivement certaines matières colorantes » (J. Rostand) ♦ Chacun des éléments essentiels du noyau cellulaire, de forme déterminée… … Encyclopédie Universelle
CHROMOSOME PHILADELPHIE — L’anomalie chromosomique dénommée chromosome Philadelphie (ou chromosome Ph1), en raison de sa découverte dans cette ville par Nowell et Hungerford en 1960, représente une amputation au niveau du bras long du chromosome 22, approximativement en… … Encyclopédie Universelle
Chromosome 5q deletion syndrome — Classification and external resources Photomicrograph of bone marrow showing abnormal mononuclear megakaryocytes typical of 5q syndrome ICD O: M … Wikipedia