Which of the following is not a derivative of the middle ear cleft-
Ans. is 'a' i.e., Semicircular canal o The middle - ear cleft in the temporal bone includesEustachian tubeThe middle ear (tympanic cavity)Aditus wrhich leads posteriorly to the mastoid antrum and air cells.
Semicircular canal
Mastoid aircell
Tympanic cavity
Eustachian tube
Anatomy of Middle Ear (Otitis Media)