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.

Flex string, pillowbone, vertebrae, central vertebrae.

12节胸椎带神经 自然大

Five vertebrae, gillbone and spinal nerve.