Trisomy
noun, Pathology.
1.
an abnormality characterized by the presence of an additional chromosome to the normal diploid number.
noun
1.
the condition of having one chromosome of the set represented three times in an otherwise diploid organism, cell, etc. Trisomy of chromosome 21 results in Down’s syndrome
trisomy tri·so·my (trī-sō’mē, trī’sō’-)
n.
The condition of having three copies of a given chromosome or chromosome segment in each somatic cell rather than the normal number of two.
tri·so’mic adj.
trisomy
(trī-sō’mē, trī’sō’-)
The condition of having three copies of a given chromosome in each body cell rather than the normal number of two.
Read Also:
- Trisomy-13
noun, Pathology. 1. a syndrome associated with the presence of an extra chromosome 13, characterized by mental retardation, cardiac problems, and multiple deformities.
- Trisomy-21
noun 1. Down syndrome. Down syndrome or Down’s syndrome noun, Pathology. 1. a genetic disorder, associated with the presence of an extra chromosome 21, characterized by mild to severe mental impairment, weak muscle tone, shorter stature, and a flattened facial profile. trisomy 21 n. See Down syndrome. Down syndrome (doun) or Down’s syndrome (dounz) n. […]
- Trisomy 21 syndrome
trisomy 21 syndrome n. See Down syndrome.
- Trispast
noun 1. an ancient hoist or hauling device having three blocks.
- Trispermous
adjective, Botany. 1. having three seeds.