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|Noun||1.||auditory apparatus - all of the components of the organ of hearing including the outer and middle and inner ears|
apparatus - (anatomy) a group of body parts that work together to perform a given function; "the breathing apparatus"
auditory system - the sensory system for hearing
inner ear, internal ear, labyrinth - a complex system of interconnecting cavities; concerned with hearing and equilibrium
middle ear, tympanic cavity, tympanum - the main cavity of the ear; between the eardrum and the inner ear
otology - the branch of medicine concerned with the ear
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