File:Klinefelter syndrome karyotype.jpg

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Klinefelter's syndrome (47,XXY)

47, XXY Affects approximately one in every 660 men who begin normal male and become infertile. Features: tall, mental dullness, narrow shoulders, broad hips, sparse body hair, gynecomastia, small testicles, androgen deficiency, azoospermia, behaviour problems and decreased verbal intelligence.

The syndrome was named after Dr. Harry Klinefelter, an endocrinologist at Massachusetts General Hospital in Boston, Massachusetts, who first described it in 1942.

Klinefelter syndrome

Reference

Klinefelter HF. (1986). Klinefelter's syndrome: historical background and development. South. Med. J. , 79, 1089-93. PMID: 3529433



Cite this page: Hill, M.A. (2024, April 15) Embryology Klinefelter syndrome karyotype.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Klinefelter_syndrome_karyotype.jpg

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

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current11:39, 13 May 2010Thumbnail for version as of 11:39, 13 May 2010480 × 284 (12 KB)S8600021 (talk | contribs)==Klinefelter's syndrome (47,XXY)== 47, XXY Affects approximately one in every 660 men who begin normal male and become infertile. Features: tall, mental dullness, narrow shoulders, broad hips, sparse body hair, gynecomastia, small testicles, androgen de