Pronunciation: (SPY-nul KAH-lum)
The bones, muscles, tendons, and other tissues that reach from the base of the skull to the tailbone. The spinal column encloses the spinal cord and the fluid surrounding the spinal cord. Also called backbone, spine, and vertebral column.
Source: NCI Dictionary of Cancer Terms2005-01-24 Date last modified: 2008-11-21