Nasopharynx, Oropharynx, Laryngopharynx Flashcards
What is the passage that goes from the nasal cavity to the nasopharnyx?
Choanae
Why does food not enter the nasopharynx during swallowing?
Soft palate elevates and pharyngeal wall is pulled forward
What us located in the nasopharynx?
Adenoids
Opening of the auditory tube
What demographic usually presents with inflamed adenoids?
Children
What are the consequences of inflamed adenoids?
Blocks posterior nasal opening
Blocks auditory tubes - middle ear infection(otitis media)
Where does the oropharynx extend from and to?
Soft palate to upper border of the epiglottis
What are the two muscles covered by arches in the oropharynx?
Palatoglossal muscle
Palatopharyngeus
Where are the palatine tonsils located?
Between palatoglossal and palatopharyngeal arches
What is the name of the recesses at either sides of the epiglottis?
Piriform recess/fossa
Where is the piriform fossa located?
At the laryngeal inlet
What is a pharyngeal pouch?
Pouch of mucosa and submucosa between fibres of inferior constrictor
When does Killian’s Dehiscence occur?
Formed if inferior constrictor fails to relax during swallowing
What can happen to the pharyngeal pouch over time?
May enlarge and fill with food with each meal
What is dysphagia?
Difficulty swallowing
