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Noonan syndrome

Pronunciation: nu'nan

Definition: a syndrome found in both males and females, with a phenotype reminiscent of Turner syndrome; characterized by hypertelorism, downslanting of palpebral fissures, webbing of the neck, short stature, and congenital heart disease, especially pulmonary stenosis; normal chromosomal karyotype; autosomal dominant inheritance.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.