Ch 13: The Spinal Cord, Spinal Nerves, and Spinal Reflexes
____________________ contains the brain and spinal cord and is the processing centers.
Central nervous system
_____________________ contains cranial nerves and spinal nerves and has the sensory input and motor response pathways.
Peripheral nervous system
_________________ are controlled by the spinal cord alone without input from the brain. Example touching something hot.
The _________________ is housed within protective membranes (meninges) and vertebral column
_____________ carries sensory and motor information between brain and most other parts of body
Areas of the spinal cord that supply the limbs have more gray matter
and are visibly wider. The _____________________
supplies shoulder and upper limb.
Lumbosacral enlargement supplies _______________________.
pelvis and lower limb
Distal end of the spinal cord, the _____________ is tapered, conical end of cord below lumbar enlargement.
Distal end of the spinal cord, ______________ is the thin thread of fibrous tissue at end of conus medullaris.
Distal end of the spinal cord, _______________ is the nerve roots extending below conus medullaris, and looks like a horse’s tail, hence the name.
Filum terminale attaches to _______________________.
Anterior root (ventral root) are axons of ________________.
Posterior root (dorsal root ) are axons of _________________.
Cervical plexus is __________________.
C1 through C5
lumbar plexus is _______________________.
T12 through L4
brachial plexus is ___________________.
C5 through T1