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. 2013 May 3;3:tre-03-103-3713-1. doi: 10.7916/D8RX9BS1

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(A) Transverse view demonstrating tympanic membrane and middle ear ossicles. (B) Inner wall demonstrating cochlear windows, Eustachian tube, and tensor tympani. (Modified from Gray’s Anatomy, plates 919 and 911⁷⁹).