Question
Which of the following structures pass through the arrow-marked region?
| A. |
Glossopharyngeal nerve and stylopharyngeus muscle |
| B. |
Superior laryngeal artery and internal branch of the superior laryngeal nerve |
| C. |
Recurrent laryngeal nerve and inferior laryngeal artery |
| D. |
Lingual artery and hypoglossal nerve |
Show Answer
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Correct Answer » A Explanation |
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The arrow in the image points to a region between the Superior constrictor (green) and middle constrictor (brown) muscles of the pharynx.
| Muscle Gap | Structures Passing Through |
|---|---|
| Between superior & middle constrictors | Glossopharyngeal nerve (CN IX), Stylopharyngeus muscle |
| Between middle & inferior constrictors | Internal branch of superior laryngeal nerve, Superior laryngeal artery |
| Below inferior constrictor | Recurrent laryngeal nerve, Inferior laryngeal artery |