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Audition and the Vestibular System

Last updated on Tuesday, July 9 2013 by jdmiles

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Audition and the Vestibular System

An introduction to the anatomy and physiology of the ear and structures involved in hearing and the vestibular system.

Terminology:
By the end of this section, make certain that you understand what each of these terms mean, and can apply them appropriately.  If applicable, make sure you can find each item on a whole brain, brain section, or image of a brain.

  • membranous labyrinth
  • endolymph
  • bony cochlea
  • bony vestibule
  • saccule
  • bony semicircular canals
  • crista
  • hair cells
  • cupula
  • external auditory meatus
  • tympanic membrane
  • ossicles
  • malleus
  • incus
  • stapes
  • oval window
  • eutachian tube
  • modiolus
  • round window
  • outer row of hair cells
  • spiral ganglion
  • lateral lemniscus
  • brachium of inferior colliculus
  • transverse temproral gyri (of Heschl)
  • vestibulocochlear nerve
  • bipolar neuron
  • Scarpa's ganglion
  • vestibular nuclei
  • nucleus of Deiters
  • flocculonodular lobe
  • lateral vestibulospinal tract
  • medial longitudinal fasciculus (MLF)
  • bony labyrinth
  • perilymph
  • cochlear duct
  • utricle
  • macula
  • ampulla
  • stereocilia
  • kinocilium
  • otolith membrane
  • superior olivary nucleus
  • auditory association cortex
  • primary auditory cortex
  • olivocochlear fibers (olivocochlear bundle)
  • basilar membrane
  • tectorial membrane
  • organ of Corti
  • scala vestibuli
  • stria vascularis
  • inner row of hair cells
  • trapezoid body
  • inferior colliculi
  • medial geniculate nucleus
  • vestibulo-ocular reflex
  • fastigial nucleus
  • vestibular ganglion
  • ponto-medulary junction
  • lateral vestibular nucleus
  • nystagmus