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Unformatted text preview: * Illnesses- as flu, colds, bronchitis, ear infections and tonsillitis are the main culprits in post nasal drip and excess mucous * Asthma- excess mucous Functional Endoscopic Sinus Surgery (FESS) Pharynx (Throat) * A tube that starts at the internal nares and extends part way down the neck. * Its walls are lined with skeletal muscle and lined with mucous membrane. * Functions * passageway for air and food * resonating chamber for speech sounds Parts of the Pharynx Nasopharynx- * connects with * the two internal nares * Eustachian tubes- two openings that lead into the ear * The single opening into the oropharynx * The posterior wall contains the pharyngeal tonsil * It is lined with pseudostratified ciliated columnar epithelium, and * the cilia moves the dust laden mucous toward the mouth. * Exchanges a small amount of air with the auditory canal to equalize air pressure between the pharynx and middle ear. Respiratory System...
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This note was uploaded on 01/30/2012 for the course BSC BSC1085 taught by Professor Sharonsimpson during the Fall '10 term at Broward College.
- Fall '10