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Cervical spinal stenosis is the narrowing of the spinal canal in the neck. The spinal canal is the open area in the bones (vertebrae) that make up the spinal column. The spinal cord is a collection of nerves that runs through the spinal canal from the base of the brain to the lower back. These nerves allow us to feel, to move, and to control the bowel and bladder and other body functions.
It carries messages between your brain and the rest of the body.   Your spinal cord is a slender nerve column that goes from your b â¦ rain to your vertebral column.It starts with the foramen magnum and has 31 segments (vertebrae).   There are 8 cervical vertebrae, which control nerve impulses in your upper limbs. Your spinal cord is a slender nerve column that goes from your b â¦ rain to your vertebral column. It starts with the foramen magnum and has 31 segments (vertebrae).