Tympanosquamous fissure

Last revised by Francis Deng on 12 Mar 2021

The tympanosquamous fissure separates the tympanic part of the temporal bone from the squamous part. It is parallel and anterior to the bony external auditory canal and divides medially into the petrotympanic fissure and petrosquamous fissure.

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Cases and figures

  • Tympanosquamosal fissure
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