petrosal sinus

Introduction

Superior petrosal sinus & inferior petrosal sinus, paired venous dural sinus located in the groove along the crest of the petrous portion of the temporal bone.

The sinus connects the cavernous sinus with the confluence of sinuses (superior) or internal jugular vein (inferior).

More general terms

• dural sinus

More specific terms

• inferior petrosal sinus
• superior petrosal sinus

Additional terms

• cavernous sinus (parasellar sinus)