perimysium

noun peri·my·si·um \ˌper-ə-ˈmi-zhē-əm, -zē-\

plural -sia \-zhē-ə, -zē-\

Definition of PERIMYSIUM

: the connective-tissue sheath that surrounds a muscle and forms sheaths for the bundles of muscle fibers

New Latin, irregular from peri- + Greek mys mouse, muscle — more at mouse

First Known Use: circa 1842

Medical Dictionary

noun peri·my·si·um \ˌper-ə-ˈmiz(h)-ē-əm\

plural -sia \-ē-ə\

: the connective-tissue sheath that surrounds a muscle and forms sheaths for the bundles of muscle fibers

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