exam 4 tricky areas

dorsal horn

sensory interneurons

ventral horn

motor cell bodies

dorsal root

sensory axon

ventral root

motor axon

Dorsal root ganglion

sensory cell bodies

ventral ramus

motor and sensory to trunk and limbs

dorsal ramus

motor and sensory to back

dorsal is

sensory and posterior

ventral is

motor and anterior

eye socket neumonic

many friendly zebras enjoy lazy summer picnics

order of meninges sup to deep

dura septa, arachnoid mater, pia mater

order meningeal spaces sup to deep

meningeal, subdural, subarachnoid

order of spine checkpoints

conus, cauda, fillum

blood flow anterior and middle

internal carotid

blood flow posterior

vertebral

pathway of light

cornea, pupil, lens, retina

signal pathway of vision

photoreceptors to ganglion to chaism to tract to thalamus to primary visual cortex

genioglossus

protrude tongue

styloglossus

elevate and retract

hypoglossus

depress

smell receptor location

olfactory epithilium

external ear

auricle, external auditory canal

middle ear

ossicles, pharyn tube

inner ear

semicircle canals and cochlea

sound pathway

sound, typhanic, ossicles, oval window, cochlea, cn, brain

superior oblique

look down and abduct

inferior oblique

looks up and abducts

masseater

elevates

temporal

elevate and retract

med pt

protrudes and elevares

lat pt

protrudes and depress

white matter

mylinated axons

gray matter

cell bodies

nucleus

collection of cell bodies CNS

ganglion

cell bodies in pns

tract

axons in cns

nerve

axons in pns

efferent

motor exits

afferent

sensory arrives

enterance and exit for sound

in oval window out round window

long association fibers

same side different lobes

short association

same lobe

commisural fibers

left and right hemispheres

projection

cerebrum to spinal cord

basal ganglia

deep motor, initiate and terminate movement

cerebellar hemispheres

coordinate movement

motor

frontal precentral gyrus

internal carotid

to brain

external carotid

to face and scalp