doctor with human ear anatomy model with magnifying glass. ear disease, atresia, otitis media, pertorated eardrum, meniere

otolaryngologist magnification inflammation semicircular magnifying pertorated schwannoma eustachian education vestibule syndrome auditory diagnose hospital membrane acoustic symptoms anatomy disease atresia eardrum meniere hearing auricle medical ossicle cochlea tympani doctor otitis ageing health middle cancer muscle meatus tensor human model glass media acute outer canal fluid loss pain bony drum tube ear