epimysium

noun

: the external connective-tissue sheath of a muscle

Examples of epimysium in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Muscle fibers are surrounded by networks of fat and connective tissue (endomysium, perimysium, and epimysium). — Ashton Yoon, Discover Magazine, 30 Aug. 2016

Word History

Etymology

epi- + Greek my-, mŷs "mouse, muscle" + -ium, after perimysium — more at mouse entry 1

First Known Use

1900, in the meaning defined above

Time Traveler
The first known use of epimysium was in 1900

Browse Nearby Words

Cite this Entry

“Epimysium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/epimysium. Accessed 29 Sep. 2026.

Medical Definition

epimysium

noun
: the external connective-tissue sheath of a muscle compare endomysium

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