Opening of Eustachian tube in middle ear is in: (A) Medial wall, (B) Lateral wall, (C) Anterior wall, (D) Posterior wall
Answer is C. Anterior wall has 2 openings, the lower one for eustachian tube and the upper one for the canal of tensor tympani muscle. 2. Opening for Eustachian tube. Reference: Dhingra 6th edition