Superior petrosal sinus
|Vein: Superior petrosal sinus|
|The sinuses at the base of the skull. (Superior petrosal sinus visible at center left.)|
|Latin||sinus petrosus superior|
|Gray's||subject #171 659|
|Drains to||sigmoid 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.
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