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38 Cards in this Set
- Front
- Back
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innervation of lacrimation & salivation?
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CN VII
(submandibular & sublingual glands) |
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taste from anterior 2/3 of tongue?
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CN VII
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taste from posterior 1/3 of tongue?
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CN IX
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where is melatonin secreted?
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pineal gland
circadian rhythms |
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where is the conjugate vertical gaze center?
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superior colliculi
(eyes are above ears; superior vs inferior) |
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where is the auditory center of the brainstem?
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inferior colliculi
(superior olive?) (eyes are above ears; superior vs inferior) |
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paralysis of conjugate vertical gaze?
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Parinaud syndrome
-lesion in superior colliculi (eg pinealoma) |
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what cranial nerve arises dorsally and immediately decussates?
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CN IV
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what cranial nerves lie medially?
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III, VI, XII (multiples of x2)
motor neurons |
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alar vs basal plate?
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alar = sensory; lie laterally
basal = motor; lie medially sulcus limitans divides? |
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what cranial nerves arise from the midbrain?
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CN III, IV
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what cranial nerves arise from the pons?
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CN V, VI, VII, VIII
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what cranial nerves arise from the medulla?
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IX, X, XII
(note, XI is actually a spinal nerve) |
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what cranial nerves mediate visceral sensory information (taste, baroreceptors, gut distension)? what nucleus is this relayed to?
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CN VII, IX, X
Nucleus Solitarius |
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what CNs carry motor innervation to the pharynx, larnx, & upper esophagus (swallowing, palate elevation)? what nucleus is this from?
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CN IX, X, XII
Nucleus Ambiguous |
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what nucleus sends parasympathetic fibers to the heart, lungs, & upper GI?
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Dorsal motor nucleus
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what is the path for CN I?
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cribriform plate
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what is the path for II-VI?
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middle cranial fossa, thru sphenoid bone
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what is the path for II?
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Optic canal (w/ophthalmic artery, central retinal vein)
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what is the path for III?
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Superior orbital fissure
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what is the path for IV?
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superior orbital fissure
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what is the path for V?
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V1 - Superior orbital fissure
V2 - foramen Rotundum V3 - foramen Ovale Standing Room Only |
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what is the path for opthalmic vein?
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Superior orbital fissure
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what is the path for CN VI?
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Superior orbital fissure
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what is the path for sympathetic fibers to the face/eyes?
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Superior orbital fissure
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what is the path for middle meningeal artery?
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Foramen spinosum
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what courses through the superior orbital fissure?
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CN III, IV, V1, VI, opthalmic vein, sympathetic fibers
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what is the path for CN VII-XII?
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posterior cranial fossa - thru temporal or occipital bone
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what is the path for CN VII?
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internal auditory meatus
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what is the path for CN VIII?
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internal auditory meatus
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what is the path for IX?
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jugular foramen
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what is the path for CN X?
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jugular foramen
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what is the path for XI?
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jugular foramen
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what is the path for jugular vein?
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jugular foramen
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what courses thru jugular foramen?
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CN IX, X, XI, jugular vein
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what is the path for CN XII?
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hypoglossal canal
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what drains to the cavernous sinus? what courses through?
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blood from eye & superficial cortex --> cavernous sinus --> internal jugular vein
Things going to the orbit: CN III, IV, V1, V2, VI, & postganglionic sympathetics to orbit pass thru the cavernous sinus also cavernous portion of carotid artery |
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what is cavernous sinus syndrome?
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mass effect
-ophthalmoplegia, ophthalmic & maxillary sensory loss located on either side of the hypophysis |
