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Down syndrome or Down's syndrome, [12] also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. [3] It is usually associated with developmental delays, mild to moderate intellectual disability , and characteristic physical features.
Depending on the severity of accompanying health problems, an individual with Down syndrome can expect to live past age 60. Down Syndrome Treatment There is no way to prevent or cure Down syndrome.
Distinctive ocular features of the ZTTK syndrome are deep-set eyes, down-slanting palpebral fissures and horizontal eyebrows. [1] Children with ZTTK syndrome may present with vision problems including optic atrophy and cerebral visual impairment, resulting in poor visual responses. [1]
Brushfield spots are more commonly found in Down syndrome patients of European descent than similarly affected children of Asian heritage. [3] Brushfield spots comprise focal areas of iris stromal hyperplasia, surrounded by relative hypoplasia. Similar spots described by Krückmann [4] and Wolfflin [5] are found in individuals without Down ...
Down syndrome is a genetic condition in which people are born with an extra copy of chromosome 21. This extra copy affects the development of the body and brain, causing a range of physical and mental impairments for the individual. Fragile X syndrome, most frequent among males, is thought to cause autism and intellectual disability.
John C. McGinley and his son Max at the Global Down Syndrome Foundation's 14th Annual Be Beautiful Be Yourself Fashion Show at the Sheraton Downtown Denver Hotel on Nov. 12, 2022 in Denver.
Down syndrome is the most common genetic condition in the U.S. Approximately 400,000 Americans have Down syndrome. Here are amazing individuals with Down syndrome who are breaking the barriers of ...
Ataxia telangiectasia (Louis–Bar syndrome) Encephalotrigeminal angiomatosis (Sturge–Weber syndrome) (encephalofacial cavernous hemangiomatosis) Neurofibromatosis (von Recklinghausen's disease) Tuberous sclerosis (Bourneville's syndrome) Wyburn–Mason syndrome (racemose hemangiomatosis)