This model comes mounted on a secure white base, with close up view of the 5th cervical vertebra. It includes 27 numbered anatomical features, and also comes with a detailed product manual. Although the cervical vertebrae are the most delicate bones in the spinal column, they play a critical role in our survival. Use this great tool to study the inner anatomy of the vertebra, and gain a better understanding of the spine by adding it to any office or classroom. Measures: 15 ¾ L x 10 ¼ W x 3 ½ D in inches.