The nose and paranasal sinuses II Head and Neck Anatomy
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Course
Head and Neck Anatomy
Institution
University Of Central Lancashire Preston (UClan)
Notes summarising the anatomy of the nose, the paranasal sinuses, blood supply and nervous supply of each of them, 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!
Nares – external opening to the nose Nasal region
Choanae – posterior opening to nasopharynx Vestiibule
o Stratified squameous epithelium
External nose Constant aibrasion
Cartilages: Respiratory
o Septal o Ciliated pseudostratified columnar epithelium
o Lateral processes Upper respiratory tract -> cilia
o Major alar Olfactory
o Minor alar o Specialised epithelium (sense of smell)
Respiratory epithelium
Ciliated pseudostratified columnar epithelium
o Ciliated cells (movements)
o Goiblet cells (mucous)
o Basal cells (Stem cells)
Nasal septum
Septal cartilages
Perpendicular plate of ethmoid 2 Nasal cavities
Vomer (inferior posterior) Wall Formed Anterior Posterior Extra
iby/Shape
Medial Nasal septum Septal Vomer and
cartilage ethmoid
Floor Wider than Palatine Horizontal Incisive
roof process of plate of canal:
maxilla palatine (hard deep to
palate) mucosal
lining of
floor)
Roof Narrow Nasal and Ethmoid and
superiorly frontal ibone sphenoid
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