skeletal muscle

noun

: striated muscle that is usually attached to the skeleton and is usually under voluntary control

Examples of skeletal muscle in a Sentence

Recent Examples on the Web
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Most of it ends up in your skeletal muscles, where it’s stored as phosphocreatine and used to regenerate adenosine triphosphate (ATP), the molecule that powers muscle contractions, nerve signals, and protein synthesis for tissue repair. Boutayna Chokrane, Wired News, 13 Aug. 2025 Toxoplasma can target male reproductive organs Upon infection, Toxoplasma spreads to virtually every organ and skeletal muscle. Bill Sullivan, The Conversation, 28 May 2025 Like skeletal muscle cells, they are primarily powered by mitochondria, but the density of mitochondria is as much as 10 times higher, boosting cardiomyocytes’ energy output. Scott Lafee, San Diego Union-Tribune, 20 May 2025 The Universal Preparation Gap In athletics, research indicates that over 30% of injuries treated in sports medicine clinics are skeletal muscle injuries, many of which can be prevented through proper warmup and stretching routines. Roy Ward, Forbes.com, 16 May 2025 See All Example Sentences for skeletal muscle

Word History

First Known Use

1877, in the meaning defined above

Time Traveler
The first known use of skeletal muscle was in 1877

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Cite this Entry

“Skeletal muscle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/skeletal%20muscle. Accessed 9 Sep. 2025.

Medical Definition

skeletal muscle

noun
: striated muscle that is usually attached to the skeleton and is usually under voluntary control
also : a muscle composed of skeletal muscle

More from Merriam-Webster on skeletal muscle

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