epimysium

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ep·i·mys·i·um

 (ĕp′ə-mĭz′ē-əm, -mĭzh′ē-)
n. pl. ep·i·mys·i·a (-mĭz′ē-ə, -mĭzh′-)
The external sheath of connective tissue surrounding a muscle.

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

epimysium

(ˌɛpɪˈmɪzɪəm)
n, pl -sia (-zɪə)
(Anatomy) anatomy the sheath of connective tissue that encloses a skeletal muscle
[from New Latin, from epi- + Greek mus mouse, muscle]

ep•i•my•si•um

(ˌɛp əˈmɪz i əm, -ˈmɪʒ-)

n., pl. -my•si•a (-ˈmɪz i ə, -ˈmɪʒ-)
the sheath of connective tissue around a muscle.
[1895–1900; epi- + Greek mŷs mouse, muscle (compare myo-) + -ium2]
References in periodicals archive ?
Contrary to what was expected, the pictures show a rare non-tennis leg calf injury: the epimysia of the MG and of the SL were, in fact, ecostructurally intact.
The CF is easily distinguishable by the epimysia of the medial gastrocnemius (MG) and soleus (SL) being between these three structures (hyperechoic) interposed by two layers of hypoechoic connective tissue.