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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According to the National Organization for Rare Disorders, the condition is a rare genetic disorder characterized by abnormalities of the skeletal muscles, including weakness and stiffness, abnormal bone development and joints that become fixed in bent or extended positions. Jordan Greene, PEOPLE, 2 Oct. 2025 Tissue samples from Fern Franco’s remains, obtained by a search warrant, revealed the presence of both morphine, which suppresses respiration, along with the drug succinylcholine, a paralytic used to relax skeletal muscles as during intubation. Eric Adler, Kansas City Star, 24 Sep. 2025 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 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 8 Oct. 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

Last Updated: - Updated example sentences
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