Klinefelter syndrome(redirected from XYY syndrome)
Also found in: Thesaurus, Medical, Legal, Encyclopedia, Wikipedia.
Switch to new thesaurus
|Noun||1.||Klinefelter 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.