superior petrosal sinus


su·pe·ri·or pe·tro·sal si·nus

[TA] a paired dural venous sinus in the groove along the crest of the petrous temporal bone, connecting the cavernous sinus with the termination of the transverse sinus or beginning of the sigmoid sinus. Synonym(s): sinus petrosus superior [TA]

superior petrosal sinus

A slender dural sinus that drains the cavernous sinus posteriorly into the transverse sinus.See also: sinus