Definition of Nucleoside

1. Noun. A glycoside formed by partial hydrolysis of a nucleic acid.


Definition of Nucleoside

1. Noun. (biochemistry) an organic molecule in which a nitrogenous heterocyclic base (or nucleobase), which can be either a double-ringed purine or a single-ringed pyrimidine, is covalently attached to a five-carbon pentose sugar (deoxyribose in DNA or ribose in RNA). When the phosphate group is covalently attached to the pentose sugar, it forms a nucleotide. ¹

¹ Source: wiktionary.com

Definition of Nucleoside

1. [n -S]

Medical Definition of Nucleoside

1. Purine or pyrimidine base linked glycosidically to ribose or deoxyribose, but lacking the phosphate residues that would make it a nucleotide. Ribonucleosides are adenosine, guanosine, cytidine and uridine. Deoxyribosides are deoxyadenosine, deoxyguanosine, deoxycytidine and deoxythymidine (the latter is almost universally referred to as thymidine). This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Nucleoside

nucleoplasm
nucleoplasmic
nucleoplasmic index
nucleoplasmin
nucleoplasms
nucleopolyhedrovirus
nucleopolyhedroviruses
nucleoporin
nucleoporins
nucleoprotein
nucleoproteins
nucleoreticulum
nucleorrhexis
nucleosidase
nucleosidases
nucleoside (current term)
nucleoside-diphosphate kinase
nucleoside-diphosphate sugars
nucleoside-diphosphosugar NAD+ 2-hexosyloxidoreductase
nucleoside-diphosphosugar pyrophosphatase
nucleoside-monophosphate
nucleoside-phosphate kinase
nucleoside-triphosphatase
nucleoside analogue
nucleoside bisphosphate
nucleoside deaminases
nucleoside diphosphate
nucleoside phosphorylase
nucleoside phosphorylases
nucleoside q

Literary usage of Nucleoside

Below you will find example usage of this term as found in modern and/or classical literature:

1. Journal of the American Chemical Society by American Chemical Society (1910)
"Thus the same nucleoside-guanosine, as obtained from guanylic acid, ... When the proper conditions are observed the nucleoside can be chilled out and a ..."

2. Monographic Medicine by William Robie Patten Emerson, Guido Guerrini, William Brown, Wendell Christopher Phillips, John Whitridge Williams, John Appleton Swett, Hans Günther, Mario Mariotti, Hugh Grant Rowell (1916)
"A nucleoside is simply a mononucleotide chain, deprived of one of its end-links. Thus a mononucleotide has the structure: ._rj . ..."

3. Glossary of HIV/Aids-related Terms edited by Barry Leonard (1995)
"DDI: Dideoxyinosine (didanosine, Videx), a nucleoside analog drug that inhibits the ... See also nucleoside Analog. DELETION: Elimination of a gene (ie, ..."

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