spinal cord
vital link between brain and rest of body, takes info to and from the brain
- pathway for transmissions of sensory and motor impulses
- reflexes - quickest reactions to stimuli
5 parts of spinal cord
cervical
thoracic
lumbar
sacral
coccygeal
conus medullaris
cone shaped terminal portion of the spinal cord
cauda equina
nerves traveling past the spinal cord
filum terminale
strand of pia mater extending further from the spinal cord
cervical enlargement
cervical region
lumbrosacral enlargement
thoracic region
how many pairs of spinal nerves?
31