Klinefelter's syndrome

(redirected from 47 XXY)
Also found in: Thesaurus, Medical, Encyclopedia.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Klinefelter's syndrome - syndrome in males that is characterized by small testes and long legs and enlarged breasts and reduced sperm production and mental retardation; a genetic defect in which an extra X chromosome (XXY) is present in the male
syndrome - a pattern of symptoms indicative of some disease
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
In the present study, Klinefelter syndrome was found in 80 patients (71 patients had the homogeneous chromosomal formula (47 XXY) and 9 patients had the mosaic karyotype (46 XY/47 XXY).
Small, firm testes are suggestive of dysgenetic gonads found in patients with Klinefelter syndrome (47 XXY), whereas small, soft testes suggest secondary hypogonadism.
Show several karyotypes of normal and aneuploid cells, including the trisomies 21, 18, and 13, and 47 XXY and 45 XO.