Source:http://linkedlifedata.com/resource/umls/id/C0032578
MSH: The chromosomal constitution of a cell containing multiples of the normal number of CHROMOSOMES; includes triploidy (symbol: 3N), tetraploidy (symbol: 4N), etc.,CSP: having more than two full sets of homologous chromosomes.,NCI: A numerical chromosomal abnormality characterized by the presence of more than two sets of chromosomes.