Definitions for trisomy 21

This page provides all possible meanings and translations of the word trisomy 21

Princeton's WordNetRate this definition:(0.00 / 0 votes)

  1. mongolism, mongolianism, Down's syndrome, Down syndrome, trisomy 21(noun)

    a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation

WiktionaryRate this definition:(0.00 / 0 votes)

  1. trisomy 21(Noun)

    The presence of three copies of the 21st chromosome in the karyotype.

FreebaseRate this definition:(0.00 / 0 votes)

  1. Trisomy 21

    A chromosomal abnormality consisting of the presence of a third copy of chromosome 21 in somatic cells.


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