Noonan's syndrome
Noonan's syndrome (noo-nănz) n. an autosomal dominant condition of males who have all or some of the physical features of Turner's syndrome in females but normal sex chromosomes. It is often associated with a low testosterone level and sometimes with reduced sperm production. Other features include cardiovascular defects. [ J. Noonan (1921– ), US paediatrician]
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Noonan's syndrome