Question:
What is the marked structure?
What is the marked structure?
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Pyriform sinus is a common site for foreign body lodgement in the hypopharynx.
Updated On: May 14, 2026
- Thyroid cartilage
- Pyriform sinus
- Epiglottis
- Vallecula
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The Correct Option is B
Solution and Explanation
Concept:
The pyriform sinus is a recess in the hypopharynx on either side of the laryngeal inlet. It is clinically important because foreign bodies may lodge there.
Step 1: Identify anatomical region.
The marked structure lies in the laryngopharyngeal region.
Step 2: Recall pyriform sinus location.
Pyriform sinus is located lateral to the laryngeal inlet.
Step 3: Select structure.
Therefore, the marked structure is: \[ \text{Pyriform sinus} \]
Step 1: Identify anatomical region.
The marked structure lies in the laryngopharyngeal region.
Step 2: Recall pyriform sinus location.
Pyriform sinus is located lateral to the laryngeal inlet.
Step 3: Select structure.
Therefore, the marked structure is: \[ \text{Pyriform sinus} \]
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