perimysium

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Related to perimysia: endomysium, epimysium

per·i·my·si·um

 (pĕr′ə-mĭzh′ē-əm, -mĭz′ē-əm)
n. pl. per·i·my·si·a (-mĭzh′ē-ə, -mĭz′ē-ə)
The sheath of connective tissue enveloping bundles of muscle fibers.

[New Latin : peri- + Greek mūs, muscle; see mūs- in Indo-European roots.]

perimysium

(ˌpɛrɪˈmɪzɪəm)
n, pl -ia (-ɪə)
(Anatomy) anatomy the sheath of fibrous connective tissue surrounding the primary bundles of muscle fibres
[C19: from peri- + -mysium, from Greek mus muscle]

per•i•my•si•um

(ˌpɛr əˈmɪz i əm, -ˈmɪʒ-)

n., pl. -my•si•a (-ˈmɪz i ə, -ˈmɪʒ-)
the connective tissue surrounding bundles of skeletal muscle fibers.
[1835–45; irreg. from peri- + Greek mŷs mouse, muscle (compare myo-) + -ium2]
per`i•my′si•al, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.perimysium - the sheath of connective tissue that covers a bundle of muscle fibers
connective tissue - tissue of mesodermal origin consisting of e.g. collagen fibroblasts and fatty cells; supports organs and fills spaces between them and forms tendons and ligaments
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On the contrary, the perimysia took on a different aspect of collagen architecture, namely, stacks of collagen plates in control meat and loose tissue of slender collagen fibers in treated meat.