PNS

Olfactory nerve

smell

optic nerve

vision

oculomotor nerve

eye muscles

trochlear nerve

Superior oblique extrinsic eye muscle

trigeminal nerve

provides motor (movement) and sensory information for different aspects of your head and face

abducens nerve

lateral rectus of eye

facial nerve

facial expressions

Taste from anterior two-thirds of tongue

vestibulocochlear nerve 

hearing 

glossopharyngea nerve

General sensory and taste from posterior one-third of tongue

vagus nerve

Visceral sensory information from heart, lungs, most abdominal organs

accessory nerve

controlling the movement of the sternocleidomastoid and trapezius muscles. 

hypoglossal nerve 

controls the muscles of the tongue 

white matter

area that contains myeliniated axons forming sensory tracts 

denticulate ligaments 

lateral extensions of the pia matter that help anchor the spinal cord 

lateral horn 

houses cell bodies of autonomic motor neruons

ligamentum flavum

elastic connective tissure that connects the lamina of adjacent vertebrae 

ventral root

contains axons of motor neurons

gray commissure

contains unmyelinated axons connecting left and right gray matter 

vertebral arteries

carries blood to the brain and spinal cord

dura matter

outer most protective layer covering

dorsal root ganglion

contains cell bodies of sensory neurons

subarachnoid space

area of the spinal cord through which CSF flows

epidural space

area between the dura matter and vertebra, housesadipose, areolar tissue, and blood vessels 

anterior median fissure

a deep grove on the anterior surface of the spinal cord 

pia matter

delicate layer adhering to the spinal cord