Definitions for "Turner's syndrome"
a genetic disease characterized by forty-five chromosomes with a sex chromosome count of X-; phenotypically female, but sterile.
Chromosome abnormality seen in about 1 in 3,000 live female births. It is marked by the absence of one sex chromosome. Characterized by short stature, primary amenorrhea and lack of development of secondary sex characteristics. Other features, which may or may not occur, include webbed neck, lowset ears, broad shield-like chest, hypertension, heart abnormalities and learning disorders. Treatment includes hormone therapy. See Amenorrhea; hypertension.
The most common chromosomal abnormality of mares, characterized by a missing X chromosome; also called 63,X gonadal dysgenesis.