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John Langdon Down (1828 – 1896) was a British physician who first described the syndrome in 1866 named after him, '''Down syndrome''' now called [[T#trisomy 21|trisomy 21]]. The most common human aneuploidy where an extra copy of chromosome 21 is found in the cell genome.  
John Langdon Down (1828 – 1896) was a British physician who first described the syndrome in 1866 named after him, '''Down syndrome''' now called [[T#trisomy 21|trisomy 21]]. The most common human aneuploidy where an extra copy of chromosome 21 is found in the cell genome.  


:Links: [[Trisomy 21]]
 
:'''Links:''' [[Trisomy 21]] | [[Embryology Historic Terminolog]]




[[Category:Trisomy 21]] [[Category:Historic Embryology]]
[[Category:Trisomy 21]] [[Category:Historic Embryology]]

Revision as of 10:46, 4 September 2011

John Langdon Down

John Langdon Down (1828 – 1896) was a British physician who first described the syndrome in 1866 named after him, Down syndrome now called trisomy 21. The most common human aneuploidy where an extra copy of chromosome 21 is found in the cell genome.


Links: Trisomy 21 | Embryology Historic Terminolog

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current10:45, 4 September 2011Thumbnail for version as of 10:45, 4 September 2011282 × 400 (12 KB)S8600021 (talk | contribs)==John Langdon Down== John Langdon Down ( 1828 – 1896) was a British physician who first described the syndrome in 1866 named after him, '''Down syndrome''' now called trisomy 21. The most common human aneuploidy where an extra copy of