The interspinous ligaments connect the adjoining spinous processes of the vertebrae. Its most prominent point behind corresponds to the spinous process of the seventh thoracic vertebra. Two transverse processes and one spinous process are posterior to (behind) the vertebral body. Each vertebra has two lamina, one on each side of the spinous process. In the center of the vertebral arch is a bony projection called the spinous process. The spinous dorsal fin is situated above the pelvis. The lamina connects the spinous process to the pedicles. It lacks a vertebral body, spinous process, and discs either superior or inferior to it. From behind, the vertebral column presents in the median line the spinous processes. These are the bony surfaces palpated just lateral to the spinous processes. Their bodies are elongated and fusiform, with spinous and soft dorsal fins widely separated. All the segments lack pedicles, laminae and spinous processes. The spinous process serves to attach muscles and ligaments. The spinous processes of the cervical and lumbar regions can be felt through the skin. Detection of spondylolisthesis by palpation is most often done by palpating for the spinous process.