ˌɛsˌeɪtʃˈeɪtʃ sˈɪɡnəlɪŋ ɪnðɪ ˌɛfpˈiː ɹˈiːdʒən ɪz vˈɛɹi ɪmpˈoːɹtənt bɪkˈʌz ɪt nˈiːdz təbi ˈæktɪv ɪn ˈɔːɹdɚ fɔːɹ ɡlɪoʊdʒˈɛnᵻsˌɪs tʊ əkˈɜː.
Shh signaling in the FP region is very important because it needs to be active in order for gliogenesis to occur.