CN VIII Flashcards
Where do fibers carried in the vestibular nerve arise from?
Vestibular Ganglion
Where does the vestibular nerve terminate?
Vestibular nuclear complex
Where is the vestibular ganglion located?
internal acoustic meatus
Where does cochlear nerve terminate?
Ant. & Post. cochlear nuclei
Cochlear nerve fibers arise from what?
spiral ganglion
Where is spiral ganglion?
cochlea
Where do cochlear peripheral processes extend to?
spiral organ
aka
organ of corti
Where is ant & post cochlear nuclei located?
posterior superior medulla oblongata
Axons from cochlear nuclei cross the brainstem and synapse on what?
Trapezoid nuclei
Axons from trapezoid nuclei form what?
lateral lemniscus
Where do peripheral processes from the vestibular ganglion extend to?
sacule, utricle, and semicircular canals
Processes from vestibular ganglion convey info where?
vestibular nuclei
Where is the vestibular nuclei located?
Medulla oblongata on floor of the rhomboid fossa
Most vestibular nerve fibers terminate in which nucleus?
Medial vestibular nucleus
aka
Schwalbe
Some fibers travel to cerebellum by way of what?
Inferior cerebellar peduncle