adenosine

noun

aden·​o·​sine ə-ˈde-nə-ˌsēn 

-sən

: a nucleoside C₁₀H₁₃N₅O₄ that is a constituent of RNA and yields adenine and ribose on hydrolysis

Examples of adenosine in a Sentence

Recent Examples on the Web

Caffeine also relieves pain by interacting with adenosine receptors, which are key players in the body’s pain perception mechanisms. —Danielle Wilhour, Discover Magazine, 15 Aug. 2024

Valerian may also reduce anxiety by activating adenosine, a chemical in the body that regulates mood and anxiety.6 The mechanisms of action are unclear, as various studies have produced inconsistent results. —Lauren O'Connor, Ms, Health, 23 July 2024

By inhibiting adenosine, caffeine increases alertness.22 Caffeine has other effects on the body. —Allison Herries, Verywell Health, 11 July 2024

This binding blocks the actions of adenosine, a chemical that promotes sleep.1 Synthetic caffeine is made in a lab and added to various foods, drinks, cosmetics, and supplements. —Allison Herries, Verywell Health, 11 July 2024

Word History

Etymology

borrowed from German Adenosin, blend of Adenin adenine and Ribose ribose

First Known Use

circa 1909, in the meaning defined above

Phrases Containing adenosine

• adenosine diphosphate
• adenosine monophosphate
• adenosine triphosphatase
• adenosine triphosphate

Medical Definition

adenosine

noun

aden·​o·​sine ə-ˈden-ə-ˌsēn, -sən 

: a nucleoside C₁₀H₁₃N₅O₄ that is a constituent of RNA yielding adenine and ribose on hydrolysis