What is Trisomy-21? A Basic Definition

Down syndrome \Down" syn`drome\, Down's syndrome
         \Down's"
syn`drome\, n. (Med.)
   A congenital disorder
         caused by an extra chromosome 21 in
   some or all cells.
         It causes a variable number and degree of
   abnormalities,
         including retarded growth, mental retardation,
   a short
         nose, prominent epicanthic folds on the eyelids, a
  
         protruding lower lip, and other physical features having
  
         varying degrees of deviation from the normal. Called also
 
          mongolism,
         trisomy-21 and
         trisomy 21
         syndrome.
   [PJC]

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Off-site Trisomy-21 Links, User Submitted

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Sat Oct 20

• SpringerLink - Journal Article: trisomy 21 treatment with IVIg

Sat Jan 27

• Austin Family -- Not What We Were Expecting: Kathy's Article "Not What We Were Expecting" ; starts pg 16

Off-site Trisomy-21 Research Links

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