<prompt> Vidian nerve passes throughInferior orbital fissureIncisive foramenTympanomastoid fissurePterygoid canal  <response>: In the anterior pa of the foramen lacerum,the greater petrosal nerve unites with the deep petrosal nerve to form the nerve of the pterygoid canalthe vidian nervewhich leaves the foramen by entering the pterygoid canal in the anterior wall of the foramen lacerum. REF.BDC VOL.3,FIFTH EDITION 