θɹuː ðɪs kˈɑːmplɛks kɹˈɔs tˈɔːk ʌv slˈɪt, ɹˈoʊboʊ wˈʌn slˈæʃ tˈuː, ænd ɹˈoʊboʊ θɹˈiː, kəmˈɪʃɚɹəl ˈæksɑːnz ɑːɹ ɡˈaɪdᵻd təwˈɔːɹd ðə mˈɪdlaɪn tə kɹˈɔs ðə nˈʊɹɹəl tˈuːb ænd pɹɪvˈɛntᵻd fɹʌm kɹˈɔsɪŋ bˈæk.
Through this complex cross talk of Slit, Robo-1/2, and Robo-3, commissural axons are guided toward the midline to cross the neural tube and prevented from crossing back.