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Klinefelter's syndrome

[klahyn-fel-terz] /ˈklaɪn fɛl tərz/
noun, Pathology
1.
an abnormal condition in which at least one extra X chromosome is present in a male: characterized by reduced or absent sperm production, small testicles, and in some cases enlarged breasts.
Origin
named after Harry Fitch Klinefelter (born 1912), U.S. physician, co-author of a description of the syndrome
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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klinefelter syndrome in Medicine

Klinefelter's syndrome Kline·fel·ter's syndrome (klīn'fěl'tərz)
n.
A chromosomal anomaly in males characterized by the presence of two X-chromosomes and one Y-chromosome, causing reduced testicular size, seminiferous tubule dysgenesis, and infertility. Also called XXY syndrome.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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