adenosine noun. [ǝ'dɛnǝʊsi:n] E20.
[Blend of ADENINE and RIBOSE.]
Biochemistry. A nucleoside (adenine riboside), found in living tissue in the form of nucleotides (see below).

Comb.:
adenosine deaminase an enzyme which catalyses the deamination of adenosine to inosine (abbreviation ADA); adenosine diphosphate, adenosine monophosphate, adenosine triphosphate: nucleotides involved in many physiological processes, the breakdown of the triphosphate to the diphosphate providing energy, e.g. for muscular contraction (see also next).

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