The weakest part of pharynx is______________?
Correct answer: B. Between thyropharyngeus and crico- pharyngeus
- A. Sinus of morgangini
- B. Between thyropharyngeus and crico- pharyngeus
- C. Pyriforma fossa
- D. Pharyngeal recess
Explanation
The pharyngeal wall is weakest at Killian's dehiscence, a gap between the thyropharyngeus and cricopharyngeus parts of the inferior constrictor. This is the usual site of a pharyngeal diverticulum.
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