<prompt> Structures passing between superior and middle constrictor muscles areSuperior laryngeal vessels, internal laryngeal nerveStylopharyngeus muscle, superior laryngeal vesselsGlossopharyngeal nerve, stylopharyngeus muscleInternal laryngeal nerve, stylopharyngeus muscle  <response>: Stylopharyngeus muscle and glossopharyngeal nerve are structures passing between superior and middle constrictors of pharynx. 