Flashcards in Unit VIII - Ear Pt. 2 Deck (70)
Which branch to the vestibular ganglion carries information from the anterior and lateral semicircular ducts, utricle, and some from the saccule?
Through what nerve is information carried from the saccule to the superior branch?
The inferior branch to the vestibular ganglion carries information from where?
Posterior semicircular duct and saccule
What nerve is made up of axons from the vestibular ganglion?
What makes up the blood supply to the labyrinth?
Internal auditor artery, a branch from the basilar artery
Stylomastoid artery, a branch from the posterior auricular artery
What makes up the nerve supply to the labyrinth?
Sympathetics from cavernous and/or internal carotid plexuses
The cochlear nerve is composed of axons of cells from where?
What is the pathway of information through the cochlear nerve?
Cochlear nuclei --> superior olivary and trapezoid nuclei in medulla oblongata --> lateral lemniscus --> inferior colliculi and medial geniculate bodies --> temporal lobe (Bdmn. areas 41 and 42)
The vestibular nerve is composed of axons from where?