<prompt> Which of the following passes between base of the skull and superior constrictor muscle?Eustachian tube, levator palatini muscle, ascending palatine arteryMaxillary nerve and levator palatine muscleEustachian tube and stylopharyngeus muscleAscending palatine artery and glossopharyngeal nerve  <response>: Between base of the skull and superior constrictor muscle lies the Morgagni sinus, through which passes the auditory tube, levator palati muscle, ascending palatine artery and palatine branch of the ascending pharyngeal artery. 