Figure 11 The transverse ligament extends from the medial portion of one lateral mass of C1 to the medial portion of the contralateral lateral mass of C1. It wraps around the odontoid process. The transverse ligament extends from the medial portion of one lateral mass of C1 to the medial portion of the contralateral lateral mass of C1. It wraps around the odontoid process. Level: Structures: Other Structures: Pathology: Procedure: View: C1 Neural: Brainstem and spinal cord Dura Ligaments: Transverse ligament None Normal None Composite (3/4), Front, Lateral, Caudal