Gaps in The Pharyngeal Wall and Structures Passing Through Them

The following table summarizes he gaps in the pharyngeal wall and structures passing through them.

GapStructures passing
through them
Between the base of skull and
the upper concave border of
superior constrictor (sinus of
Morgagni)
• Auditory tube
• Levator palati muscle
• Ascending palatine artery
• Palatine branch of the
ascending pharyngeal artery
Between the superior and
middle constrictors
• Stylopharyngeus muscle
• Glossopharyngeal nerve
Between the middle and
inferior constrictors
• Internal laryngeal nerve
• Superior laryngeal vessels
Between the lower border of
inferior constrictor and the
esophagus (in the tracheoesophageal groove)
• Recurrent laryngeal nerve
• Inferior laryngeal vessels
The gaps in the pharyngeal wall and structures
passing through them

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