Sulcus sinus petrosi superioris

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The sulcus sinus petrosi superioris is a narrow bony impression on the skull.

Anatomy

The sulcus sinus petrosi superioris is caused by the Superior petrosal sinus and runs along the upper border of the Petrous pyramid.

Figure

Internal surface of the temporal bone
Schematic illustration of the internal surface of the temporal bone. Figure adapted from Gray's Anatomy, Figure 138.

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