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1、 我们大家来爱护地球的肺我们大家来爱护地球的肺Respiratory systemExperimental CourseChun-min LiangSlide5-Slide5-Slide5-Slide5-TracheaTracheaTracheaTracheaMucosaMucosaSubmucosaSubmucosaAdventitiaAdventitiaPseudostratifiedPseudostratified ciliated columnar ciliated columnar epiepi. .Lamina Lamina propriapropriaMixed glandsMi
2、xed glandsSmooth muscleMixed glandsConducting PortionLobar Bronchus (Primary bronchus)Second bronchus BronchioleTerminal bronchioleRespiratory PortionLung: Branchial tree and alveoliRespiratory bronchioleAlveolar duct Alveolar sacAlveolusasthma1.Stratified squamous in regions of direct air flow or a
3、brasion.2.Vestibule of the nose is transition from keratinized stratified squamous to ciliated pseudostratified columnarStructure changes in the conducting portion of the respiratory tractSlide61-Slide61-Slide61-Slide61-LungLungLungLungTerminal bronchioleTerminal bronchioleBronchioleBronchiole Bronc
4、husBronchusRespiratory bronchioleRespiratory bronchioleTerminal bronchioleTerminal bronchioleBronchioleBronchiole BronchusBronchusCrisscrossing spiral bundles of smooth muscleAlveolar ductAlveolar duct Alveolar sacAlveolar sacRespiratory bronchioleRespiratory bronchiolePulmonary AlveoliPulmonary AlveoliAlveolar septumAlveolar septumType II alveolar cellType II alveolar cellType I alveolar cellType I alveolar cellDust cellBlood-air barrierBlood-air barrierBlood-air barrierBlood-air barrier
