The normal side shows the cochlea, auditory ossicles, auditory tube, tympanic bulla, middle earcavity, tympanic membrane, horizontal canal, vertical canal, auricularcartilage, pinna and temporalis muscle; the diseased side illustrates inflamedinner ear structures, inflammatory exudate in tympanic bulla, ear canal withpartial occlusion from cellular hyperplasia, inflammatory exudate and aninflamed (reddened) outer ear.