Which bony landmark in the middle ear immediately overlies the promontory and represents the basal turn of the cochlea?
- A Oval window
- B Promontory ✓
- C Round window niche
- D Ponticulus
Correct answer: B. Promontory
Explanation
The promontory is the rounded bony prominence on the medial wall of the middle ear caused by the basal turn of the cochlea bulging into the tympanic cavity. The tympanic plexus of nerves lies on its surface. The oval and round windows are related to it superiorly and inferiorly, respectively.
Reference: Dhingra Diseases of Ear, Nose and Throat, 7th ed.
High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP
Written and medically reviewed by the StethoPrep medical team.