phosphocreatine

noun

phos·​pho·​cre·​a·​tine ˌfäs-(ˌ)fō-ˈkrē-ə-ˌtēn How to pronounce phosphocreatine (audio)
: a compound C4H10N3O5P of creatine and phosphoric acid that is found especially in vertebrate muscle where it is an energy source for muscle contraction

Examples of phosphocreatine in a Sentence

Recent Examples on the Web In the body, creatine is formed from amino acids and replenishes phosphocreatine, an important energy source for muscle cells. Donavyn Coffey, TIME, 1 Apr. 2024 Meanwhile, creatine monohydrate supports the natural production of phosphocreatine in the muscles, which can improve strength, recovery, and energy. Dallas News, 22 Dec. 2022 Levels of phosphocreatine, which can act as a backup to mobilize muscles when there is no ATP, also increased while Sherpas climbed, but decreased as Lowlanders climbed to higher altitudes. Nathaniel Scharping, Discover Magazine, 24 May 2017 First was the levels of phosphocreatine, which allows muscles to continue contracting even when adenosine triphosphate, or ATP (a key molecule in transporting chemical energy within the cell), runs out. Jason Daley, Smithsonian, 24 May 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'phosphocreatine.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

International Scientific Vocabulary

First Known Use

1927, in the meaning defined above

Time Traveler
The first known use of phosphocreatine was in 1927

Dictionary Entries Near phosphocreatine

Cite this Entry

“Phosphocreatine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phosphocreatine. Accessed 30 May. 2024.

Medical Definition

phosphocreatine

noun
phos·​pho·​cre·​atine ˌfäs-(ˌ)fō-ˈkrē-ə-ˌtēn How to pronounce phosphocreatine (audio)
: a compound C4H10N3O5P of creatine and phosphoric acid that is found especially in vertebrate muscle where it is an energy source for muscle contraction

called also creatine phosphate

Last Updated: - Updated example sentences
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