adenosine

[uh-den-uh-seen, -sin]

noun

1. Biochemistry.,  a white, crystalline, water-soluble nucleoside, C 10 H 13 N 5 O 4 , of adenine and ribose.

adenosine

/ ˌædɪˈnəʊsiːn, æˈdɛnəˌsiːn /

noun

1. biochem a nucleoside formed by the condensation of adenine and ribose. It is present in all living cells in a combined form, as in ribonucleic acids. Formula: C 10 H 13 N 5 O 4

adenosine

1. A compound consisting of adenine combined with ribose. Adenosine is one of the nucleotides in DNA and is also a component of ADP, AMP, and ATP. Chemical formula: C ₁₀ H ₁₃ N ₅ O ₄ .

Word History and Origins

Origin of adenosine¹

1905–10; < German Adenosin, blend of Adenin adenine and Ribose ribose

Word History and Origins

Origin of adenosine¹

C20: a blend of _adenine + _ribose

Example Sentences

As you exercise your body produces a chemical called adenosine which makes you feel tired.

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Alcohol may also increase levels of adenosine, a chemical messenger that is important for sleepiness.

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Caffeine is a psychostimulant that works by blocking the adenosine receptors in the brain, which are linked to sleep, memory and learning.

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A protein kinase activated by cyclic adenosine monophosphate, an intracellular signaling molecule.

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Because adenosine levels in your brain decrease while you sleep, they’re at their lowest immediately after you wake up, Grandner said.

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