Petrotympanic fissure

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Synonyms
Glaser Spalte

The petrotympanic fissure is a narrow bony opening in the Skull base.

Figure

External surface of the temporal bone
Schematic illustration of the external surface of the temporal bone. Figure adapted from Gray's Anatomy, Figure 137.

Anatomy

The Arteria tympanica anteriorChorda tympani pass through the petrotympanic fissure[^1].

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