The size of permanent teeth in Klinefelter (47,XXY) syndrome in man.
The permanent teeth tended to be larger than normal in a group of 77 males with the syndrome, indicating that the presence of an extra X-chromosome has a growth-promoting effect which operates from early in development.
D006801:Humans; D007713:Klinefelter Syndrome / Q000473:pathology*; D008297:Male; D009811:Odontometry; D014070:Tooth / Q000473:pathology*