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Structure diagram of adenosine
 
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EtymologyEdit

From German Adenosin, corresponding to aden(ine) + (rib)os(e) +‎ -ine.

PronunciationEdit

  • (UK) IPA(key): /əˈdɛnə(ʊ)siːn/
  • (US) IPA(key): /əˈdɛnəˌsin/, /əˈdɛnəsən/

NounEdit

adenosine (plural adenosines)

  1. (biochemistry, genetics, organic chemistry) A nucleoside derived from adenine and ribose, found in striated muscle tissue. [from 20th c.]
    • 2001, Leslie Iversen, Drugs: A Very Short Introduction, Oxford, p. 82:
      Caffeine acts as an antagonist at receptors in the brain for one of the chemical messengers called adenosine.
    • 2017, Matthew Walker, Why We Sleep, Penguin 2018, p. 27:
      Think of adenosine as a chemical barometer that continuously registers the amount of elapsed time since you woke up this morning.

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