peri·my·si·um /ˌpɛrəˈmɪʒiəm, zi-/ 肌束膜
peri·my·si·um /ˌpɛrəˈmɪz(h)ɪəm/ 名詞 肌束膜
Per·i·my·si·um n. Anat. The connective tissue sheath which surrounds a muscle, and sends partitions inwards between the bundles of muscular fibers. ◄ ►