Source:http://linkedlifedata.com/resource/umls/id/C0028606
MSH: High molecular weight polymers containing a mixture of purine and pyrimidine nucleotides chained together by ribose or deoxyribose linkages.,CSP: naturally occurring or synthetic polynucleotides; DNA or RNA.,NCI: A family of macromolecules, composed of various moieties: purines, pyrimidines, phosphoric acid, and a pentose, either d-ribose or d-deoxyribose. Nucleic acids as DNA or RNA is found in the chromosomes, nucleoli, mitochondria, and cytoplasm of all cells, and in viruses. Nucleic acids are the major players in controlling cellular function and heredity. (NCI)