perimysium

noun

peri·​my·​si·​um ˌper-ə-ˈmi-zhē-əm How to pronounce perimysium (audio)
-zē-
plural perimysia ˌper-ə-ˈmi-zhē-ə How to pronounce perimysium (audio)
-zē-
: the connective-tissue sheath that surrounds a muscle and forms sheaths for the bundles of muscle fibers

Examples of perimysium in a Sentence

Recent Examples on the Web Muscle fibers are surrounded by networks of fat and connective tissue (endomysium, perimysium, and epimysium). Ashton Yoon, Discover Magazine, 30 Aug. 2016

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'perimysium.' 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

borrowed from New Latin (in German context), from peri- peri- + Greek my-, mŷs "mouse, muscle" + New Latin -ium -ium, after periosteum periosteum and perichondrium perichondrium — more at mouse entry 1

Note: The term was introduced by the German physician and anatomist Johann Christian August Clarus (1774-1854) in Annalen des königlichen klinischen Instituts am St. Jakobshospital in Leipzig, 1. Band, 2 Abteilung, Nr. 3 (see Leipziger Literatur-Zeitung, Nr. 300, am 1. Dezember, 1812, p. 2399). Note that the combinatory form of mŷs should be my- rather than mys-.

First Known Use

circa 1842, in the meaning defined above

Time Traveler
The first known use of perimysium was circa 1842

Dictionary Entries Near perimysium

Cite this Entry

“Perimysium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perimysium. Accessed 14 Apr. 2024.

Medical Definition

perimysium

noun
peri·​my·​si·​um ˌper-ə-ˈmiz(h)-ē-əm How to pronounce perimysium (audio)
plural perimysia -ē-ə How to pronounce perimysium (audio)
: the connective-tissue sheath that surrounds a muscle and forms sheaths for the bundles of muscle fibers

More from Merriam-Webster on perimysium

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