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Ears

Senses

QuestionAnswer
Auditory Pertains to the ear
Acoustic Pertains to hearing
Pinna External portion of the ear aka auricle
External Auditory Canal Tube that transmits sound to the tympatic membrane
Cerumin Earwax
Eardrum Tympatic Membrane
Auditory Ossicles 3 bones of middle ear: malleus, incus, stapes
Eustachian Tube Duct that leads from middle ear to nasopharynx
Oval Window Membrane that separates middle and inner ear
Tympanic Bulla Osseous chamber at the base of the skull
Inner Ear Contains sensory receptors for hearing and balance
Perilymph Water-like fluid in the bony labyrinth
Endolymph Thicker fluid in the sac of the membranous labyrinth
Vestibule First part of bony labyrinth located adjacent to the oval window between semicircular canals and cochlea
Semicircular Canals Vestibular, Tympanic, Cochlear
Cochlea spiral-shaped passage from oval window to inner ear
Cochlear Duct Tube in the cochlea filled with endolymph which vibrates when sound waves strike it
Organ of Corti Spiral organ of hearing located in the cochlea
3 stages of hearing Air conduction, Bone conduction, Sensorineural Conduction
Air conduction Sound waves enter pinna, travel through external auditory canal, strike tympatic membrane
Bone conduction Tympatic membrane vibrates, Ossicles begin to move, ossicles conduct sound waves through the middle ear
Sensorineural conduction Sound vibrations reach the inner ear via round window, inner ear structures respond to sound waves that displace fluid in the inner ear
Equilibrium State of balance
Static equilibrium maintaining the position of the head relative to gravity
Dynamic equilibrium maintaining balance in response to rotational or angular movement
Aural hematoma Collection of blood on the outer ear
Deafness Complete or partial hearing loss
Myringitis Inflammation of the eardrum
Otalgia Ear pain
Otitis Inflammation of the ear
Otomycosis Fungal infection of the ear
Otopathy Disease of the ear
Otopyorrhea Pus discharge from the ear
Panotitis inflammation of all ear parts
Vertigo Sense of dizziness
Round window Membrane that receives sound waves through fluid after passing through the cochlea
Created by: Libelle