Klinefelter's syndrome
/ˈklaɪnfeltəz/noun
mass noun
- Medicine a syndrome affecting males in which the cells have an extra X chromosome (in addition to the normal XY), characterized by a tall thin physique, small infertile testes, and enlarged breasts【医】克莱恩费尔特氏综合征（一种影响男性的综合征, 患者体内细胞中除正常的XY染色体外, 多出一个X染色体, 其特征为体形高而瘦削, 睾丸小, 不能生育, 乳房扩大）。
词源
mid 20th cent.: named after Harry F. Klinefelter (born 1912), American physician.