X-三體
Also known as trisomy X, Triple-X female, XXX syndrome, Triple-X chromosome syndrome, Triplo X syndrome, 47,XXX syndrome
presence of 47XXX chromosomes rather than the typical 46XX
Key facts
- Other names
- 47,XXX, triple X syndrome, triplo-X syndrome, XXX syndrome
- Specialty
- Medical genetics
- Symptoms
- Tall stature, skeletal anomalies, minor neurocognitive and behavioural difficulties
- Usual onset
- Conception
- Duration
- Lifelong
- Causes
- Nondisjunction
- Diagnostic method
- Karyotype
- Frequency
- Approximately 1 in 1,000 female live births
via Wikipedia infobox
Research
220 papers- Triple X syndrome: a review of the literature.European journal of human genetics : EJHG · 2010
- A finding in genetic polymorphism analysis study: A case of non-mosaic 47, XXX without manifestations.
Article · 中文
三染色體X症候群是一種人類女性的性染色體疾病；一般女性的性染色體是XX，而患者為XXX。患有該症候群的患者又因其基因為XXX，被稱作超雌性。 與XXY三體患者不同，三染色體X症候群患者的外觀正常，能正常發育成熟，有正常的生育能力；但據統計，患者精神失常、智能發育遲緩，或二者併發等情況比一般女性高。若沒有經過診斷，有些患者往往不知道自己有三染色體X症候群。
Abstract from DBpedia / Wikipedia · CC BY-SA