Which of the following structuers is inferior to spheno petrosal Synchondrosis-
Sphenopetrosal synchondrosis is cailagenous union b/w lateral half margin of great wing of sphenoid & petrous bone. On the under surface of sphenopetrosal synchondrosis, is a furrow, the sulcus of auditory tube for lodgement of cailagenous pa of auditory tubeQ
Abducens nerve
Osseous pa of auditory tube
Cailaginus pa of auditory tube
Petro squamous sinus