Turner syndrome(redirected from XO syndrome)
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Tur·ner syndrome(tûr′nər) also Tur·ner's syndrome (-nərz)
A congenital condition of girls and women caused by complete or partial absence or deficiency of one X chromosome, characterized by short stature, a webbed neck, low-set ears, skeletal abnormalities, and infertility owing to ovarian failure.
[After Henry Hubert Turner (1892-1970), American endocrinologist.]