<prompt> Which of the following structures is inferior to spheno petrosal Synchondrosis -Abducens nerveOsseous part of auditory tubeCartilaginous part of auditory tubePetro squamous sinus  <response>: o Lateral part of inferior surface of petrous part of temporal articulates with greater wing of sphenoid spheno-petrosal synchondrosis to form sulcus tubae for the ludgement of cartilaginous part of auditory tube. 