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 (I) [in´o-sēn]
a purine nucleoside containing the base hypoxanthine and the sugar ribose, which occurs in transfer RNAs.
inosine monophosphate (IMP) a nucleotide produced by removal of the amine group from adenosine monophosphate in metabolism of purine nucleotides.

in·o·sine (I, Ino),

9-β-d-Ribosylhypoxanthine; a nucleoside formed by the deamination of adenosine.
Synonym(s): hypoxanthinosine


(ĭn′ə-sēn′, -sĭn, ī′nə-)
A nucleoside that is involved in purine metabolism, as a precursor and a metabolite of adenosine.


(I, Ino) (in'ō-sēn)
A nucleoside formed by the deamination of adenosine.

inosine (I)

a NUCLEOSIDE found in some ANTICODONS of TRANSFER RNA. Inosine is ribosylhypoxanthine, the base being hypoxanthine, a derivative of ADENINE. Inosine generally occurs in the first position of the anticodon of certain tRNA molecules where it can base pair with U, C or A of the CODON on mRNA.