dˌɪfɚɹˌɛnʃɪˈeɪʃən ʌv nˈʊɹɹɑːnz ɪnðə bˈeɪsəl plˈeɪt ɪz ˌʌndɚ ðɪ ˈɪnfluːəns ʌvðə pɹˈoʊtiːn sˈɑːnɪk hˈɛdʒhɑːɡ ɹᵻlˈiːst baɪ vˈɛntɹəlˌaɪzɪŋ stɹˈʌktʃɚz, sˈʌtʃ ɐz ðə nˈɑːɾəkˌɔːɹd ænd flˈoːɹ plˈeɪt.
Differentiation of neurons in the basal plate is under the influence of the protein Sonic hedgehog released by ventralizing structures, such as the notochord and floor plate.