Noonan's syndrome

Noo·nan's syndrome (nnnz)

n.

An inherited condition characterized by congenital heart disease, pulmonary stenosis, webbed neck, and pigeon breast. Also called male Turner's syndrome.

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Noonan's syndrome,

the phenotype of Turner's syndrome (webbed neck, ptosis, hypogonadism, congenital heart disease, and short stature) without gonadal dysgenesis. Formerly called male Turner's syndrome until the female counterpart was identified.

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Noonan's syndrome [noo´nanz]

the male phenotype of turner's syndrome, with short stature, webbed neck, low nuchal hairline, low-set ears, and the elbow deformity cubitus valgus; valvular pulmonary stenosis, rather than coarctation of the aorta, is often present.