Noonan syndrome
Noun
Meaning
English Wikipedia has an article on:Noonan syndromeWikipedia
Noonan syndrome (uncountable)
A relatively common autosomal-dominant congenital disorder, a form of dwarfism accompanied by heart defect, learning difficulties, and a characteristic facial appearance.
Examples
Down syndrome is more common than Noonan syndrome, but has a lower incidence of CHD, which makes Noonan syndrome the most common syndromic cause of CHD.