Source:http://linkedlifedata.com/resource/umls/id/C0041107
MSH: The possession of a third chromosome of any one type in an otherwise diploid cell.,CSP: presence of an extra chromosome of one type in an otherwise diploid cell.,CHV: The condition of having three copies of a given chromosome or chromosome segment in a cell rather than the normal number of two,CHV: The condition of having three copies of a given chromosome or chromosome segment in a cell rather than the normal number of two,NCI: The presence of an extra chromosome, resulting in a total of three copies of that chromosome instead of the normal 2 copies (e.g., trisomy 21, or Down syndrome).,NCI: A chromosomal abnormality consisting of the presence of one chromosome in addition to the normal diploid number.