Which is not a content of tympanic cavity :: (A) Maleus, (B) Chorda tympani, (C) Stapedius, (D) Post. auricular N
Answer is D. Contents of middle ear or tympanic cavity are auditory ossicles (malleus, incus, and stapes), stapedius & tensor tympani muscles, chorda tympani nerve0 (a branch of 70 cranial nerve) and tympanic plexus of nerves.