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- Dictionaryspi·nal col·umn/ˈspīnl ˈkäləm/
noun
- 1. the spine; the backbone.
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noun
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Bony structure found in vertebrates
The vertebral column, also known as the spinal column, spine or backbone, is the core part of the axial skeleton in vertebrate animals. The vertebral column is the defining and eponymous characteristic of the vertebrate endoskeleton, where the notochord (an elastic collagen-wrapped glycoprotein rod) found in all chordates has been replaced by a segmented series of mineralized irregular bones (or s... Wikipedia