Pharynx Flashcards
What epithelium is found in the Nasopahrynx?
Respiratory- Ciliated pseudostratified columnar with goblet cells
Which structures are found in the oropharynx?
Posterior 1/3 of tongue
Lingual tonsils (base of tongue)
palatine tonsils (between palatoglossal and palatopharyngeal arches)
Superior constrictor muscles
Through which parts of the pharynx does the waldeyer’s ring extend?
Naso and Oro
what are the muscles of the Pharynx?
Circular- constrictors (Superior, middle inferior)
Longitudinal - Palatopharyngeus, salpingo, stylo
What are the parts of the superior pharyngeal constrictor muscle?
Pteryogopharyngeal
Buccopharyngeal
Mylopharyngeal
Glossopahryngeal
What are the branches of the external carotid?
Ascending pharyngeal
Superficial Temporal
Linual
Facial
Occipital
Posterior Auricular
Superior Thyroid
Maxiallry
Where does the superior constrictor insert?
Pharyngeal tubercle (*basilar occipital bone)
Midline pharyngeal raphe
What innervates the superior constrictor muscle?
branches of the pharyngeal plexus - vagus nereve
What blood supply does the superior constrictor muscle have?
Pharyneal branch of ascending pahryngeal
Tonsillar branch of facial
What is the blood supply of the inferior constrictor muscle?
Pharyngeal branch of ascending THYROID artery
Muscular branches of inferior thryoid artery
What are the components of the inferior constrictor muscle?
Superior - thyropharyngeal
Inferior- Cricopharyngeal 1
Which muscle pens auditory tube during swallowing?
Salpingopharyngeus
Describe Venous drainge of the pharynx
Drains to external palatine
which drains to pharyngeal plexus
which drains to internal jugular
What are the main arteries supplying the pahrynx?
Ascending pahrygeal
Branches of Facial
Branches of lingual and maxiallary
What makes up the pharyngeal plexus of nerves ?
Pharyngeal branches from glossopharyngeal
Pharyngeal branches of Vagus
Branches from external laryngeal nerve
Sympathetic fibres from superior cervical ganglion
