Supra meatal triangle extermnally represents_______________?
Correct answer: D. Mastoid antrum
- A. Transverse sinus
- B. Promontory of middle ear
- C. Internal acoustic meatus
- D. Mastoid antrum
Explanation
The suprameatal triangle on the mastoid surface overlies the mastoid antrum, an air-filled extension of the middle-ear system. It is therefore used as a surface landmark for locating the antrum.
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