Head And Neck 3 Flashcards
Overlies salpingopharyngeal muscle
Salpingopharyngeal fold
Slit projection behind the torus tubarus
May indicate Nasopharyngeal Carcinoma
Pharyngeal Recess
Mucous membrane covering the underlying palatoglossus muscle and elevates the posterior tongue
Located anteriorly from palate to the tongue and holds the palatoglossus muscle
Palatoglossal Arch
Located posterior from palate to the upper border of the thyroid cartilage pharynx and holds palatopharyngeus muscle
Palatopharyngeal Arch
Tonsils in the nasopharynx
Tubal tonsils and pharyngeal tonsils
Tonsils in the oropharynx
Palatine tonsils ( in the tonsilar sinus) Lingual tonsils
Contents of the waldeyer’s ring
Tubal, palatine, phayngeal and lingual tonsils
Small depressions of laryngeal cavity on either side separated from the laryngeal inlet by aryepiglottic fold
Piriform fossa/sinus/recess
Innervates stylopharyngeus muscle
Glossopharyngeal nerve CN IX
Innervates Middle and inferior pharyngeal constrictor muscles
Pharyngeal branch of vagus (CN X)
Pharyngeal plexus
External and reccurent laryngeal nerves of Vagus
Main action of muscles in the external layer of the pharynx (Superior, middle, inferior pharyngeal constrictor)
Constrict walls of pharynx during swallowing
Main action of muscles in the internal layer of the pharynx (palatopharyngeus, salpingopharyngeus and stylopharyngeus)
Elevate (shorten and widen) pharynx and larynx during swallowing and speaking
What is the arterial supply of the pharynx
Branches of the external carotid artery
Veinous drainage of the pharynx
Pharyngeal plexus into the IJV
- Voice box
- Specialized organ that provides a protective sphincter at the inlet of the air passages and responsible for voice production
- 9 cartilages
- vocal folds
- level of C3-C6
Larynx
