Notes summarising the nervous supply, blood supply and insertions, origins etc of the muscles in the pharynx, which is a component of Head & Neck anatomy in dentistry. I wrote these notes myself when I was studying for my own exam and my notes helped me get a first (A) in my exam!
Part of pharynx Epithelium Border Contents Function/Stuf of contents Innervation
Nasopharynx Ciliated Chonnae to sof palate Tubal elevation Formed by medial end of V2- Pharyngeal nerve -
pseudostratified Pharyngotympanic tube pharyngeal canal (GSA)
columnar (auditory tube)
epithelium
Salpingopharyngeal fold Mucous membrane covering
salpingopharyngeus
Elevates pharynx when
swallowing
Comm. between naso and
Pharyngeal isthmus oropharynx
Closed by elevation of sof
palate when swallowing
Midline tonsil in roof of
Adenoid nasopharynx
Tubal tonsil Above tubal elevation
Oropharynx Stratified Superior: Sof palate & pharyngeal Palatine tonsils In between palatoglossal & Glossopharyngeal nerve
(lies behind the oral cavity; squameous isthmus Palatopharyngeal arches (CNIX) – pharyngeal branch
ext. of uvula; tip of epithelium (Tonsillar fossa) (GSA)
epiglots) Posterior: Wall supported by C2
and C3 Lingual tonsils (Lymphoid Pharyngeal part of tongue
follicles)
Inferior: Laryngopharynx
Anterior: Oropharyngeal isthmus
and pharyngeal part of tongue
Laryngopharynx Stratified Inferior to epiglots to cricoid Vagus (X) – pharyngeal
squameous cartilage branch (GSA)
epithelium
Inferior: continuous with
oesophagus
Anterior: Continuous with
laryngeal inlet
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