Question:
Which sinus opening is not present in the middle meatus?
Which sinus opening is not present in the middle meatus?
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When studying sinus anatomy, remember the different meatuses and which sinuses drain into each.
Updated On: Apr 23, 2025
- Maxillary sinus
- Frontal sinus
- Ethmoidal sinus
- Sphenoid sinus
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The Correct Option is D
Solution and Explanation
The sphenoid sinus does not open into the middle meatus. The sphenoid sinus opens into the superior meatus of the nasal cavity, while the maxillary, frontal, and anterior ethmoidal sinuses open into the middle meatus.
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