cyclic AMP

noun

: a cyclic mononucleotide of adenosine that is formed from ATP and is responsible for the intracellular mediation of hormonal effects on various cellular processes

called also adenosine 3′,5′-monophosphate

Examples of cyclic AMP in a Sentence

Recent Examples on the Web
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The peptide preparation, labeled COP3, raised serum testosterone and cyclic AMP in male mice and increased the activity of penile nitric oxide synthase, an enzyme closely associated with erectile function. Samantha Agate, Sacbee.com, 29 July 2026

Word History

First Known Use

1955, in the meaning defined above

Time Traveler
The first known use of cyclic AMP was in 1955

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Cite this Entry

“Cyclic AMP.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cyclic%20AMP. Accessed 1 Aug. 2026.

Medical Definition

cyclic AMP

noun
: a cyclic mononucleotide of adenosine that is formed from ATP and is responsible for the intracellular mediation of hormonal effects on various cellular processes (as lipid metabolism, membrane transport, and cell proliferation)
abbreviation cAMP

called also adenosine 3′,5′-monophosphate

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