Superior petrosal sinus

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Vein: Superior petrosal sinus
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Dural veins
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The sinuses at the base of the skull. (Superior petrosal sinus visible at center left.)
Latin sinus petrosus superior
Gray's subject #171 659
Source cavernous sinus
Drains to sigmoid sinus
MeSH Cranial+Sinuses

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]



The superior petrosal sinus, small and narrow, connects the cavernous with the transverse sinus.

It runs lateralward and backward, from the posterior end of the cavernous sinus, over the trigeminal nerve, and lies in the attached margin of the tentorium cerebelli and in the superior petrosal sulcus of the temporal bone; it joins the transverse sinus where the latter curves downward on the inner surface of the mastoid part of the temporal.

It receives some cerebellar and inferior cerebral veins, and veins from the tympanic cavity.

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See also

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.



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