Prader-Willi syndrome
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Prader-Willi syndrome
[¦präd·ər ¦wil·ē ′sin‚drōm] (medicine)
A genetic disorder that is caused by defects on the paternally derived chromosome 15, causing mild mental retardation, neonatal hypotonia, hypogonadism, compulsive overeating, childhood onset obesity, and mild facial dysmorphism.