<prompt> Tegmen tympani separates middle ear from:Anterior cranial fossaPosterior cranial fossaMiddle cranial fossaSuperior cranial fossa  <response>: Ans. c Middle cranial fossaReft Dhingras ENT 6th edj 5 Roof of middle ear is formed by tegmen tympani, a very thin plate of bone. It separates middle ear from middle cranial fossa. 