ðə nˈoːɹməl tɹænsˌɛpɪθˈɛlɪəl tɹˈænspoːɹt ʌv ˈaɪɑːnz wʊd biː tˈuː slˈoʊ tə kˈɑːmpənsˌeɪt kwˈɪkli ɪnˈʌf fɔːɹ ðiːz tʃˈeɪndʒᵻz, ðɛɹˌɑːɹ mˈɛni ˌʌndɚlˈaɪɪŋ mˈɛkənˌɪzəmz bˈeɪst ɔnðɪ æktˈɪvᵻɾi ʌv vˈoʊltɪdʒdᵻpˈɛndənt ˈaɪɑːn tʃˈænəlz ˈæd tə ðə bˈeɪsɪk tɹænsˌɛpɪθˈɛlɪəl tɹˈænspoːɹt ʌv ˈaɪɑːnz.
The normal transepithelial transport of ions would be too slow to compensate quickly enough for these changes, there are many underlying mechanisms based on the activity of voltage-dependent ion channels add to the basic transepithelial transport of ions.