Tympanosquamous fissure

Dr Francis Deng and Dr Amir Rezaee et al.

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.

Anatomy: Head and neck

Anatomy: Head and neck

Article information

rID: 61301
System: Head & Neck
Section: Anatomy
Synonyms or Alternate Spellings:
  • Squamotympanic fissure
  • Fissura tympanosquamosa
  • Tympanosquamosal suture
  • Tympanosquamosal fissure

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Cases and figures

  • Tympanosquamosal fissure
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