Noun
English Wikipedia has an article on:Rett syndromeWikipedia
Rett syndrome (uncountable)
(medicine) An inherited, neurological disease of (mostly female) children characterized by a small head and repetitive hand movements.
It has been argued that Rett syndrome is in fact a neurodevelopmental condition as opposed to a neurodegenerative condition. Source: Internet
In addition, although these conditions do not alter fertility per se, individuals with Rett syndrome or Aicardi syndrome rarely reproduce. Source: Internet
Onset occurs between 6 and 18 months of age. citation During this time there are subtle developmental deviations and early indicators of Rett syndrome. Source: Internet
Pontine noradrenergic deficits Brain levels of norepinephrine are lower in people with Rett syndrome citation (reviewed in citation ). Source: Internet
Rett syndrome affects one in every 12,500 female live births by age 12 years. Source: Internet
Rett syndrome is initially diagnosed by clinical observation, but the diagnosis is definitive when there is a genetic defect in the MECP2 gene. Source: Internet