Reference Terms
from Wikipedia, the free encyclopedia

Down syndrome

Down syndrome (US, Canada and other countries) or Down's syndrome (UK and other countries) encompasses a number of chromosomal abnormalities, of which trisomy 21 (an aneuploid) is the most common, causing highly variable degrees of learning difficulties as well as physical disabilities.

Note:   The above text is excerpted from the Wikipedia article "Down syndrome", which has been released under the GNU Free Documentation License.
Related Stories

Share This Page:

Health & Medicine News
November 29, 2015

Latest Headlines
updated 12:56 pm ET