Williams syndrome is a genetic disorder that is unique and is characterized by mild mentalretardation. This is a rare disorder where most of the DNA material on chromosome 7 is lost. The prevalence in the population is somewhere between 1 in 20,000 to 50,000 births.
In addition to the unique mental and personality are also characterized by unusual facial expression and blood vessels of heart disease. Levels of calcium in the blood increased (hiperkalsemi) and urine (hiperkalsiuri).
Most people with Williams syndrome show autistic behavior syndrome. In this case thedevelopmental and language delays, and problems in gross motor skills, hypersensitivityto sound, to be picky eaters, and perseverating.
Individuals who have Williams Syndrome is different from the typical autistic individualbecause they also have heart defects, high blood pressure, high calcium levels, and veryfriendly. They also have unique features like facial fairy - almond-shaped eyes, oval ears,full lips, small chin, narrow face, and mouth wide.
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