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Trisomy 21. Down syndrome (also known by the karyotype 47,XX,+21 for females and 47,XY,+21 for males) [98] is mostly caused by a failure of the 21st chromosome to separate during egg or sperm development, known as nondisjunction. [91] As a result, a sperm or egg cell is produced with an extra copy of chromosome 21; this cell thus has 24 ...
Paris syndrome. Paris syndrome (パリ症候群, Pari shōkōgun) is a cluster of psychiatric symptoms exhibited by some individuals when visiting Paris, that can be viewed as a severe form of culture shock. [1]
Jérôme Jean Louis Marie Lejeune (13 June 1926 – 3 April 1994) was a French pediatrician and geneticist, best known for his work on the link of diseases to chromosome abnormalities, most especially the link between Down Syndrome and trisomy-21 and cri du chat syndrome, amongst several others, and for his subsequent strong opposition to the improper and immoral use of amniocentesis prenatal ...
Genetics of Down syndrome. Down syndrome is a chromosomal abnormality characterized by the presence of an extra copy of genetic material on chromosome 21, either in whole (trisomy 21) or part (such as due to translocations). The effects of the extra copy varies greatly from individual to individual, depending on the extent of the extra copy ...
This is a list of people with Down syndrome, a condition also known as Down's syndrome or trisomy 21. Down syndrome is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. [1] It is typically associated with developmental delays, characteristic physical features, and mild to moderate intellectual disability ...
Dravet syndrome (DS), previously known as severe myoclonic epilepsy of infancy (SMEI), is an autosomal dominant genetic disorder which causes a catastrophic form of epilepsy, with prolonged seizures that are often triggered by hot temperatures or fever. [ 1 ] It is very difficult to treat with anticonvulsant medications.
Former Kreditbanken building in Stockholm, Sweden, the location of the 1973 Norrmalmstorg robbery (photographed in 2005) Stockholm syndrome is a proposed condition or theory that tries to explain why hostages sometimes develop a psychological bond with their captors. [ 1 ][ 2 ] Stockholm syndrome is a "contested illness" due to doubts about the ...
LONDON/SYDNEY (Reuters) -World equities dithered at four-week lows on Monday, pressured by falling stocks in Asia, while European shares climbed on the prospect of an ECB rate cut on Thursday ...