groove for inferior petrosal sinus
groove for in·fe·ri·or pe·tro·sal si·nus
[TA]a groove lodging the inferior petrosal sinus, formed by union of similarly named grooves in the petrous part of the temporal bone and the basilar part of the occipital bone.
Synonym(s): sulcus sinus petrosi inferioris [TA], inferior petrosal groove, inferior petrosal sulcus
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