"Klinefelter Syndrome" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
A form of male HYPOGONADISM, characterized by the presence of an extra X CHROMOSOME, small TESTES, seminiferous tubule dysgenesis, elevated levels of GONADOTROPINS, low serum TESTOSTERONE, underdeveloped secondary sex characteristics, and male infertility (INFERTILITY, MALE). 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 karyotype variants include 48,XXYY; 48,XXXY; 49,XXXXY, and mosaic patterns ( 46,XY/47,XXY; 47,XXY/48,XXXY, etc.).
- Klinefelter Syndrome
- Klinefelter Syndromes
- Syndrome, Klinefelter
- Syndromes, Klinefelter
- XXY Syndrome
- Syndrome, XXY
- Syndromes, XXY
- XXY Syndromes
- Klinefelter's Syndrome
- Klinefelters Syndrome
- Syndrome, Klinefelter's
- XX Male Syndrome
- Syndrome, XX Male
- Syndromes, XX Male
- XX Male Syndromes
Klinefelter Syndrome, Variants
- Klinefelter Syndrome, Variants
- Klinefelter Syndromes, Variants
- Syndrome, Variants Klinefelter
- Syndromes, Variants Klinefelter
Below are MeSH descriptors whose meaning is more general than "Klinefelter Syndrome".
Below are MeSH descriptors whose meaning is more specific than "Klinefelter Syndrome".
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