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Inferior petrosal sinus
The inferior petrosal sinus, within the human head, is an area beneath the brain, which allows blood veins to span the area, from the center of the head downward. It drains from the cavernous sinus (beneath the brain) to the sigmoid sinuses above the internal jugular vein. See diagram (at right): labeled under the brain as "S. PETROS. INF." (for Latin: sinus petrosus inferior).
Additional recommended knowledge
The inferior petrosal sinus is situated in the inferior petrosal sulcus, formed by the junction of the petrous part of the temporal with the basilar part of the occipital.
It begins in the postero-inferior part of the cavernous sinus and, passing through the anterior part of the jugular foramen, ends in the superior bulb of the internal jugular vein.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Inferior_petrosal_sinus". A list of authors is available in Wikipedia.|