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
|
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 |
