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superior petrosal sinus

   Also found in: Wikipedia 0.01 sec.
superior petrosal sinus
n.
A paired sinus of the dura mater in the groove on the superior margin of the petrous part of the temporal bone, connecting the cavernous sinus with the transverse sinus.


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This type has numerous other sinus such as the inferior sagittal sinus, straight sinus, superior sagittal sinus, occipital sinus and the transverse sinuses, sigmoid sinuses as well as the superior petrosal sinus and inferior petrosal sinus.
Its use has been extended by division of the superior petrosal sinus to remove larger acoustic neuromas and petroclival meningiomas.
 
 
 
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