Macroscopical and microscopical changes in the bottom of the internal auditory meatus.
D000367:Age Factors; D000368:Aged; D001299:Audiometry; D001306:Auditory Pathways / Q000033:anatomy & histology* / Q000473:pathology; D007758:Ear, Inner / Q000033:anatomy & histology* / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009410:Nerve Degeneration; D010017:Osteoma, Osteoid / Q000473:pathology; D011304:Presbycusis / Q000473:pathology; D013701:Temporal Bone / Q000033:anatomy & histology / Q000473:pathology