Superior petrosal sinus
The superior petrosal sinus is one of the dural venous sinuses located beneath the brain. It receives blood from the cavernous sinus and passes backward and laterally to drain into the transverse sinus.
| Superior petrosal sinus | |
|---|---|
 Dural veins | |
 The sinuses at the base of the skull. (Superior petrosal sinus visible at center left.) | |
| Details | |
| Source | cavernous sinus |
| Drains to | transverse sinus |
| Identifiers | |
| Latin | sinus petrosus superior |
| TA | A12.3.05.115 |
| FMA | 50771 |
| Anatomical terminology | |
The sinus runs in the attached margin of the tentorium cerebelli, in a groove in the petrous part of the temporal bone formed by the sinus itself - the superior petrosal sulcus.
The sinus receives some cerebellar veins, inferior cerebral veins, and veins from the tympanic cavity.
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