Trisomy Definition

trī-sōmē, trīsō-
trisomies
noun
The condition of having three copies of a given chromosome in each somatic cell rather than the normal number of two.
American Heritage Medicine
The condition of having three copies of chromosome 13 that results in a syndrome characterized by mental retardation and defects to the central nervous system and heart.
American Heritage
The condition of having three copies of chromosome 18 that results in a syndrome characterized by severe congenital abnormalities including craniofacial and cardiac defects, intellectual disability, and deformities of the hands and feet.
American Heritage Medicine

Other Word Forms of Trisomy

Noun

Singular:
trisomy
Plural:
trisomies

Origin of Trisomy

  • tri– –som(e) –y

    From American Heritage Dictionary of the English Language, 5th Edition

  • From trisome +"Ž -y.

    From Wiktionary

Trisomy Sentence Examples

  • Parental chromosome analysis should be offered where trisomy 13 is due to an unbalanced translocation.

  • Examples of such accidents are development of an extra chromosome 18 (trisomy 18) and Down syndrome.

  • Patau syndrome, also called trisomy 13, is a congenital (present at birth) disorder associated with the presence of an extra copy of chromosome 13.

  • Patau syndrome is named for Klaus Patau, who reported the syndrome and its association with trisomy in 1960.

  • A condition called trisomy occurs when three, instead of two, copies of a chromosome are present in a developing human embryo.

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Words Starting With

TTRTRI

Words Ending With

YMYOMY

Unscrambles

trisomy

Words Starting With T and Ending With Y

Starts With T & Ends With YStarts With TR & Ends With YStarts With T & Ends With MY

Word Length

7 Letter Words7 Letter Words Starting With T7 Letter Words Ending With Y