Describe anatomy of the spine and spinal cord?

Complex: The spine is made up of bones (vertebra) stacked on top of each other in a specific alignment. The spinal cord runs within a central bony tunnel that is formed by the vertebrae stacked on top of each other. There are usually 7 cervical/12 thoracic/5 lumbar/5 sacral and 3-5 coccygeal vertebrae. Nerves exit on either side of the spine at each level. Search an extensive website for pics and more info.

Hmmm: Can't be described in 400 characters. Probably can't be appropriately described in a 400 page text book. There are 7 cervical vertebrae, 12 rib bearing thoracic vertebrae, 5 non-rib bearing lumbar vertebrae (there are normal variants to these by the way) .There are 5 fused sacral vertebrae, and usually 3 vestigial coccygeal bones. The spinal cord extends from the brain down to about l1/l2, and....