This model is a natural female pelvis, showing pelvis pelvis (sitting, gill and shamebone) pelvis, tailbone and shamebones combined.

The model is a natural male pelvis, showing a pelvic pelvis (sitting, gill and sacrosanct) pelvis, a tail bone and a sacrosanct bone.

This model shows the cross-section of the vertebrae, vertebrae, vertebrae and spinal cord, as well as the structure of the vertebrae, the vertebrae, the epidural membrane, etc.