Adenosine

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a·den·o·sine / əˈdenəˌsēn; -sin/ • n. Biochem. a compound consisting of adenine combined with ribose, one of four nucleoside units in RNA.

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adenosine A nucleoside formed when adenine is linked to ribose sugar.

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adenosine (ă-den-ŏ-seen) n. a compound containing adenine and the sugar ribose: it occurs in ATP (see also nucleoside). It is also injected as an anti-arrhythmic drug to stop supraventricular tachycardias and restore a normal heart rhythm.

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adenosine A nucleoside comprising one adenine molecule linked to a D-ribose sugar molecule. The phosphate-ester derivatives of adenosine, AMP, ADP, and ATP, are of fundamental biological importance as carriers of chemical energy.

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adenosine The nucleoside formed when adenine is linked to ribose sugar.

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adenosine See adenine.