ANATOMY OF THE SPINE AND SPINAL CORD Spinal column ANATOMY OF THE SPINE AND SPINAL CORD Spinal column anatomy The vertebral column is composed of a series of motion segments ( Figure 30.1 ). A motion segment consists of two adjacent vertebrae, their intervertebral disc and ligamentous restraints ( Figure 30.2 ). Vertebral body Facet joints Pedicle Figure 30.1 The spinal motion segment. ANATOMY OF THE SPINE AND SPINAL CORD Spinal column anatomy The vertebral column is composed of a series of motion segments ( Figure 30.1 ). A motion segment consists of two adjacent vertebrae, their intervertebral disc and ligamentous restraints ( Figure 30.2 ). Vertebral body Facet joints Pedicle Figure 30.1 The spinal motion segment.