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.

It's made up of four parts of vertebrae.

Zooming up to 1.5 times, resulting from the absence of upper and lower lumbar vertebrae and intervertebrae, showing how the intervertebrae is prominent and dynamically demonstrated.

Naturally large, three vertebrae intervertebrae, two intervertebrae fixed to the bottom plate.

It's natural, with two vertebrates fixed to the bottom plate.