Cartilaginous position of pharyngotympanic tubeChoanae (posterior openings of nasal cavities)Pterygoid hamulusLine of attachment of pharynxRoughening on petrous part of temporal bone for attachment of levator veli palatiniExternal acoustic meatusPharyngeal tubercleJugular foramenCarotid canalMedial plate of pterygoid process of sphenoidPetrous part of temporal boneScaphoid fossa on sphenoid bone (for attachment of tensor veli palatini)