Klinefelter syndrome(redirected from XXXY syndrome)
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Related to XXXY syndrome: Klinefelter syndrome, Xfinity, XYY syndrome, Turner syndrome, XXYY syndrome, Xbox LIVE
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|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
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