Skulls Unlimited is proud to offer real research quality human skulls and skeletons. Every specimen is meticulously prepared in our laboratories with great care and dignity. This attention to detail results in the highest quality human material available for medical research and educational needs.nnSpecifications:nnThis set includes 1 hyoid, 1 axis, 1 atlas, and 2 cervical vertebraenThe vertebrae show signs of bone diseasenOne of the cervical vertebra is fused to the axis