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United States (325,691)
BMS 301 (47)
Lecture

Nasal cavity, oral cavity, pharynx, swallowing

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Department
Biomedical Science
Course
BMS 301
Professor
Mark Frasier
Semester
Fall

Description
29 October Nasal cavity Anterior – nares (nostrils) Posterior – choanae (left and right openings of nasal cavity into nasopharynx) Conchae Superior and middle – part of ethmoid bone Inferior – true “conchae” Scroll-like Lined with mucous membrane Humidify, heat, cleanse air Paranasal sinuses Frontal (x2) Maxillary (x2) Sphenoid (x2) Ethmoid (x2) All open into nasal cavity Oral cavity Roof – hard and soft palates Floor – tongue Anterior opening – oral fissure Pharynx Musclomembranous space Posterior to nasal cavity and oral cavity Proximal origins of both respiratory system and GI system Auditory tube runs from nasopharynx to middle ear Allows for pressure equalization between middle ear and outside world Pharyngeal tonsils Adenoids when inflamed; block off air supply (sounding stuffy) Inflamed palatine tonsils are not known as adenoi
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