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Glossary of 1st AID USMLE Step 1 Neurology and Psychiatry Brain stem and cranial nerves

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Cranial Nerve nuclei in Midbrain
III
IV
Cranial nerve nuclei in pons
V-VIII
Cranial nerve nuclei in medulla
IX-XII
nucleus Solitarius

CN's
VII, IX, X

*visceral Sensory information
nucleus aMbiguous

info, CN's
*M*otor innervation for swallowing and palate elevation

IX, X, XI
dorsal motor nucleus
fnx, structures affected
parasympathetic to heart, lungs, upper GI
CN's which pass thru sphenoid

(middle cranial fossa)
CN II-VI
pathway of CNI
cribiform plate
CN's which pass through bones of posterior cranial fossa (temporal or occipital)
CNVII-XII
CNII exit from skull
Optic canal
CNIII exit from skull
Superior orbital fissure
CNV2: exit from skull
Foramen rotundum
CNV3: exit from skull
Foramen Ovale
middle meningeal artery: entrance into skull
Foramen spinosum
CNVII: exit from skull
internal auditory meatus
CNIX exit from skull
jugular foramen
CNXII: exit from skull
hypoglossal canal
spinal root CNXI: entrance into skull
foramen magnum

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