#auditory_system  the sensory system for hearing
  supertype:  sensory_system__sensorysystem  the body's system of sense organs
  part:  auditory_apparatus  all of the components of the organ of hearing including the outer and middle and inner ears
     part:  inner_ear__innerear__internal_ear__labyrinth  a complex system of interconnecting cavities; concerned with hearing and equilibrium
        part:  neuroepithelium  epithelium associated with special sense organs and containing sensory nerve endings
        part:  membranous_labyrinth  the sensory structures of the inner ear including the labyrinthine receptors and the cochlea; contained within the bony labyrinth
           part:  utricle__utriculus__utriculu  a small pouch into which the semicircular canals open
           part:  saccule__sacculus  a small sc or pouch (especially the smaller chamber of the membranous labyrinth)
        part:  bony_labyrinth__osseous_labyrinth__osseouslabyrinth  cavity in the petrous part of the temporal bone that contains the membranous labyrinth
        part:  endolymph  the bodily fluid that fills the membranous labyrinth of the inner ear
        part:  perilymph  the bodily fluid that fills the space between the bony labyrinth and the membranous labyrinth of the inner ear
        part:  semicircular_canal  one of three tube loops filled with fluid and in planes nearly at right angles with one another; concerned with equilibrium
        part:  cochlea  the snail-shaped tube (in the inner ear coiled around the modiolus) where sound vibrations are converted into nerve impulses by the Organ of Corti
           part:  basilar_membrane__basilarmembrane  a membrane in the cochlea that supports the Organ of Corti
           part:  modiolus  the central conical bony pillar of the cochlea
           part:  organ_of_Corti  the hearing organ of the inner ear; contains receptors that respond to sound waves
              part:  hair_cell  a sensory epithelial cell present in the Organ of Corti
        part:  labyrinthine_artery__artery_of_the_labyrinth__internal_auditory_artery  a branch of the basilar artery that supplies the labyrinth
        part:  labyrinthine_vein__internal_auditory_vein  veins that drain the inner ear
     part:  external_ear__outer_ear__outerear  the part of the ear visible externally
        part:  auditory_meatus__acoustic_meatus__ear_canal__earcanal__auditory_canal__external_auditory_canal  either of the passages in the outer ear from the auricle to the tympanic membrane
           part:  auriculare__auricular_point__auricularpoint  the craniometric point at the center of the opening of the external acoustic meatus
        part:  auricle__ear  the externally visible cartilaginous structure of the external ear
           part:  earlobe  the fleshy pendulous part of the external human ear
           part:  tragus  a small cartilaginous flap in front of the external opening of the ear
     part:  middle_ear__tympanic_cavity__tympanum  the main cavity of the ear; between the eardrum and the inner ear
        part:  ossicle__ossiculum  a small bone; especially one in the middle ear
        part:  Eustachian_tube__auditory_tube  either of the paired tubes connecting the middle ears to the nasopharynx; equalizes air pressure on the two sides of the eardrum
        part:  malleus__malleu__hammer  the ossicle attached to the eardrum
        part:  incus__incu__anvil  the ossicle between the malleus and the stapes
        part:  stapes__stirrup  the stirrup-shaped ossicle that transmits sound from the incus to the cochlea
  part:  ear  the sense organ for hearing and equilibrium
     part:  vestibule_of_the_ear  the central cavity of the bony labyrinth of the ear
     part:  eardrum__tympanum__tympanic_membrane__myringa  the membrane in the ear that vibrates to sound
        part:  umbo  a slight rounded elevation where the malleus attaches to the eardrum
     part:  organ_of_hearing  the part of the ear that is responsible for sensations of sound
     part:  fenestra  a small membrane-covered opening (especially one in the bone between the middle and inner ear)
     part:  auricular_artery__auricularartery__arteria_auricularis__arteriaauriculari  artery that supplies blood to the ear
  part:  acoustic_nerve__auditory_nerve__vestibulocochlear_nerve__vestibulocochlearnerve__nervus_vestibulocochlearis__eighth_cranial_nerve  a composite sensory nerve supplying the hair cells of the vestibular organ and the hair cells of the cochlea

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