Cranial nerves Flashcards
above pons
1,2,3,4
pons
5,6,7,8
medulla
9,10,11,12
sensory nerves
olfactory, optic, vestibulocochlear
motor nerves
oculomotor, trochlear, abducent, accessory, hypoglossal
mixed nerves
trigeminal, facial, glossopharyngeal, vagus
CN 1 function
smell
CN 2 function
vision
CN 3 function
moves eye up/down/medially, raises eyelid, constricts pupil, adjusts lens
CN 4 function
moves eye medially and down
CN 5 function
facial sensation, chewing, sensation form temporomandibular joint
CN 6 function
abducts eye
CN 7 function
facial expression, closes eye tears, salivation, taste
CN 8 function
sensation of head position and movement, hearing
CN 9 function
Swallowing, salivation, taste
CN 10 function
regulates, viscera, swallowing, speech, taste
CN 11 function
elevates shoulders, turns head
CN 12 function
moves tongue
major motor tracts
cortiospinal, corticobulbar
supplementary. motor nuclei
red, sustantia nigra, pontine nuclei, inferior olive
major sensory
medial lemniscus, spinothalamic, trigeminathalamic
neurobehavioral cells
periauiductal gray, raphe nuclei, locus coeruleus
somatic motor function
extraocular muscles, intrinsic tongue
somatic motor nuclei
oculomotor, trochlear, abducens, hypoglossal
Brachial motor funcitons
mastications, facial expression, middle ear, pharynx, larynx, SCM, trapezius
brachial motor nuclei
motor of CN5, facial, nucleus ambiguus, accessory spinal
parasympathetic function
head and thoracoabdominal viscera
parasympathetic nuclei
edinger-westphal, superior salivatory, inferior salivatory, dorsal motor nucleus