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• n  the series of vertebrae forming the axis of the skeleton and protecting the spinal cord

• spinal column
• spine
• backbone
• back
• rachis

News & Articles

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• Earliest ancestor of land herbivores discovered: 300-million-year-old predator showed way to modern terrestrial ...
  New research demonstrates how carnivores transitioned into herbivores for the first time on land. Previously unknown, the 300-million-year old fossilized juvenile skeleton of Eocasea martini is less than 20 cm long. Found in Kansas, it consists of a partial skull, most of the vertebral column, the pelvis and a hind limb. By comparing the skeletal anatomy of related animals, scientists discovered ...
  April 17, 2014 - Science Daily