The fibrous connective tissue envelope surrounding a skeletal muscle. SYN: perimysium externum. [epi- + G. mys, muscle]
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epi·my·si·um .ep-ə-'miz(h)-ē-əm n, pl -sia -ē-ə the external connective-tissue sheath of a muscle compare ENDOMYSIUM
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n.
the fibrous elastic tissue that surrounds a muscle.
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epi·mys·i·um (ep″ĭ-misґe-əm) [epi- + Gr. mys muscle] [TA] the fibrous sheath about an entire muscle; called also perimysium externum or external perimysium.Medical dictionary. 2011.