also  Kline*fel*ter syndrome  n :  an abnormal condition in a male characterized by two X chromosomes and one Y chromosome, infertility, smallness of the testes, and gynecomastia
 
Klinefelter, Harry Fitch (b 1912), American physician. Klinefelter specialized in endocrinology and rheumatology. Klinefelter's syndrome was described in 1942.
 
 
 
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