Definition
One of the 33 individual bones forming the spinal column, stacked with intervertebral discs between them.
Vertebra
anatomyA vertebra is one of the 33 individual bones that stack together to form the spinal column, protecting the spinal cord inside a central canal. Vertebrae are grouped into the neck, upper back, lower back, sacrum and tailbone, and those in the lower sections fuse together. Between most movable vertebrae lies an intervertebral disc, which cushions the bones and allows the spine to bend.
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