单词 | Syndrome,Klinefelter's |
释义 | Syndrome,Klinefelter's《英文msh词典》Syndrome,Klinefelter's [入口词] Syndrome,Klinefelter's [主题词] Klinefelter Syndrome [英文释义] A SEX CHROMOSOME DISORDER characterized by small testes,underdevelopment of secondary sexual characteristics,infertility (INFERTILITY,MALE),hyalinization and fibrosis of the seminiferous tubules,and elevated levels of gonadotropin. Patients tend to have long legs and a slim,tall stature. GYNECOMASTIA is present in many of the patients. The classic form has the karyotype 47,XXY. Several variants include those with the karyotpes 48,XXYY; 48,XXXY; 49,XXXXY,and several mosaic patterns ( 46,XY/47,XXY; 47,XXY/48,XXXY,etc.). |
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