English noun: Klinefelter syndrome | |||
1. | Klinefelter syndrome (state) 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 | ||
Synonyms | Klinefelter's syndrome, XXY-syndrome | ||
Broader (hypernym) | syndrome | ||