The nerve supply of middle ear: (A) Tympanic plexus, (B) Facial nerve, (C) Glossopharyngeal nerve, (D) Trigeminal nerve
Answer is A. Tympanic branch supplies innervation to the medial surface of the tympanic membrane,tympanic cavity,mastoid air cells and the bony eustachian tube. Reference- Dhingra 6/e,p 8.