ɪt ɡˈɪvz ˈɔf ɐ spˈaɪnəl twˈɪɡ wˌɪtʃ ˈɛntɚz ðə kənˈæl θɹuː ðɪ ˌɪntɚvˈɜːɾɪbɹəl fˈɔːɹeɪmˌɛn bᵻtwˌiːn ðə sˈɛvənθ sˈɜːvɪkəl ænd fˈɜːst θoːɹˈæsɪk vˈɜːɾɪbɹˌiː.
It gives off a spinal twig which enters the canal through the intervertebral foramen between the seventh cervical and first thoracic vertebrae.