This article was originally published on mentalfloss.com as 13 Facts About the Spinal Cord.

It's hard evidence that the type of spinal segmentation and numbering found in modern humans emerged 3.3 million years ago, the scientists say. The remarkable fossil was discovered in Ethiopia.

Cervical spinal fusion: This surgery may result in some lost flexibility, but it will limit painful symptoms and stabilize the spine.To do so, your surgeon will remove the spinal discs between two ...

No vertebral abnormalities are seen on X-rays, ... Usually, full-length anteroposterior and lateral radiographs are ordered to allow for proper visualization of the spinal structure.