system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which is not a content of tympanic cavity :
assistant
The correct answer is  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.