A cavity which runs successively through each of the vertebrae and encloses the spinal cord.
- He subsequently developed plasmacytomas of his thoracic spinal canal, right orbit, and frontal sinuses.
- As the lumbar spinal canal shrinks, the nerves that go through it are squeezed.
- Doctors surgically tuck exposed nerves and spinal cord back inside the spinal canal and cover them with muscle and skin.
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