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[per-uh-miz-ee-uh m, -mizh-] /ˌpɛr əˈmɪz i əm, -ˈmɪʒ-/
noun, plural perimysia
[per-uh-miz-ee-uh, -mizh-] /ˌpɛr əˈmɪz i ə, -ˈmɪʒ-/ (Show IPA).
the connective tissue surrounding bundles of skeletal muscle fibers.
Origin of perimysium
1835-45; irregular from peri- + Greek mŷs mouse, muscle (cf. myo-) + -ium
Related forms
perimysial, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for perimysium


noun (pl) -ia (-ɪə)
(anatomy) the sheath of fibrous connective tissue surrounding the primary bundles of muscle fibres
Word Origin
C19: from peri- + -mysium, from Greek mus muscle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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perimysium in Medicine

perimysium per·i·my·si·um (pěr'ə-mĭzh'ē-əm, -mĭz'ē-əm)
n. pl. per·i·my·si·a (-mĭzh'ē-ə, -mĭz'ē-ə)
The fibrous sheath enveloping each of the primary bundles of skeletal muscle fibers.

per'i·my'si·al adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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