Localized enlargements provide innervation to limbs
•31 segments
–each segment has a pair of dorsal roots and a pair of ventral roots
•Conus medullaris – the inferior end of the spinal cord– collection of nerve roots
•Filum terminale– long filament of connective tissue
–Attaches to the coccyx inferiorly
•Spinal nerves extend off cord
–Mixed nerves
Gross Anatomy: Adult spinal cord