twelfth cranial nerve英 [twelfθ ˈkreɪniəl nɜːv]美 [twelfθ ˈkreɪniəl nɜːrv]【医】第十二脑神经,舌下神经医学英英释义nounsupplies intrinsic muscles of the tongue and other tongue musclesSynonym:hypoglossalhypoglossal nervenervus hypoglosus