sˈuːpɹəspˈaɪnəl vˈæsəmˌoʊɾɚ nˈʊɹɹɑːnz sˈɛnd pɹədʒˈɛkʃənz tə ðɪ ˌɪntɚmˈiːdɪˌɑːlɐɾɚɹəl sˈɛl kˈɑːlʌm, wˌɪtʃ ɪz kəmpˈoʊzd ʌv sˌɪmpəθˈɛɾɪk pɹɪɡˌæŋɡlɪˈɑːnɪk nˈʊɹɹɑːnz ˌɛspˌiːˈɛn θɹuː ðə tˈiː wˈʌnˈɛl tˈuː sˈɛɡmənts.
Supraspinal vasomotor neurons send projections to the intermediolateral cell column, which is composed of sympathetic preganglionic neurons (SPN) through the T1-L2 segments.