striated
🇺🇸
/ˈstraɪeɪtɪd/
🇬🇧
/ˌstraɪˈeɪtɪd/
having lines or stripes on the surface
The striated muscle fibers in the heart contract and relax to pump blood.
心臓の横紋筋繊維は血液を送り出すために収縮し、弛緩します。