hˈɪɹ ðə wˈɔːl ɪz pɚtˈɪkjʊlɚli θˈɪk æt ðə tˈɪp ʌvðə tˈɜːmɪnəl sˈɛl wˌɪtʃ ɛkstˈɛndz ˌɪntʊ ɐ bˈiːk ɪn sˌʌm spˈiːsiːz.
Here the wall is particularly thick at the tip of the terminal cell which extends into a beak in some species.