324Lecture19 repiratory

324Lecture19 repiratory - Respiratory System Upper...

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Respiratory System
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Upper Respiratory Tract Nares (nostrils) nasal cavity pharynx larynx trachea
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Respiratory Pathway Trachea bronchi secondary bronchi tertiary bronchi intrapulmonary bronchi bronchiole terminal bronchiole respiratory bronchiole alveolar duct alveoli.
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Respiratory System 1) Nasal Cavity - Vestibule - external nares to bridge of nose or olfactory epithelium; cornified stratified squamous epithelium; prominent glands and hairs (vibrissae). DICT connected to bone and cartilage.
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Olfactory Chamber - pseudostratified columnar epithelium; many mucous and serous glands; no hairs; - Olfactory Epithelium (~ 10 cm 2 ) Neuro- epithelial cells = brush border (supporting) cells, and ciliated, bi-polar neurons anchored on roof of chamber toward superior conchae. - afferent signal via numerous fossae in ethmoid
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This note was uploaded on 01/04/2012 for the course BIO 324 taught by Professor Crawford during the Spring '09 term at Western Kentucky University.

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324Lecture19 repiratory - Respiratory System Upper...

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