What is the anatomy of the middle ear relevant to tympanic membrane perforation (TMP)?

Updated: Dec 14, 2020
  • Author: Robert A Saadi, MD; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Answer

Behind (or medial to) the drum is the middle ear. In front of the drum (or lateral or exterior) is the ear canal. The drum lies at an angle to the bore of the ear canal, creating a vestibule, which can retain cerumen or debris. The malleus is invested by the fibrous layer of the tympanic membrane, securely incorporating it within the drum.


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