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