2022年医学专题—呼吸系统--组织学和胚胎学.pptVIP免费

RespiratoryRespiratorysystemsystemRespiratorysystemNasalcavity,pharynx&larynx.Trachea&bronchi.Lung.一、一、tracheatracheamucosamucosasubmucosasubmucosaadventitiaadventitiatracheatrachea(HE)(HE)MixedglandMixedglandEM:epitheliumoftracheaEM:epitheliumoftrachea4.SmallgranuleC4.SmallgranuleC1.CiliatedC1.CiliatedC2.BrushC2.BrushC3.GobletC3.GobletC5.BasalC5.BasalCThewalloftracheaThewalloftrachea1.Mucosa=epithelium+laminapropriaatmosphere&atmosphere&alveolialveolialveoli&alveoli&bloodblood(blood&tissue)(blood&tissue)Gasexchangebronchiolebronchiolelunlungglunglung二、二、lunglungLungLungLowLowpowerpowerlungparenchyma:bronchialtrees&alveoli.PrincipaPrincipallConductionportionConductionportion－－lobularBr&smallBrlobularBr&smallBr•EpitheliumEpithelium•GobletCGobletC•GlandsGlands•CartilageplateCartilageplate•SMCSMCConductionportionConductionportion－－bronchiole&bronchiole&terminalbrochioleterminalbrochiole•SimpleciliatedSimpleciliatedcolumnar.columnar.•GobletCGobletC（－）（－）•GlandGland（－）（－）•CartilageplateCartilageplate（－）（－）•SMCSMCRulesofstructuralvarianceinconductingportionRulesofstructuralvarianceinconductingportionSmallBrSmallBrbronchiolbronchioleeTerminalTerminalbronchiolebronchioleEpiEpiPseudostratifiePseudostratifieddCiliatedCiliatedcolumnarcolumnarSimpleSimpleciliatedciliatedcolumnarcolumnarSimpleSimplecolumnarcolumnar****claraclaracellcellGobletGobletCC+++++/-+/---MixedMixedglandgland+++++/-+/---CartilagCartilageplateeplate+++++/-+/---SMCSMC++++++++++++RespiratoryportionRespiratoryportion－－RespiratorybronchioleRespiratorybronchiole•ThewallisinterruptedThewallisinterrupted•SimplecuboidalEpi,claraSimplecuboidalEpi,claraCC•SMCSMCRespiratoryportionRespiratoryportion－－Alveolarduct&alveolarsacAlveolarduct&alveolarsac•Thewall,manyalveoliThewall,manyalveoli•SMCSMC****•SimplecuboidalSimplecuboidal,squamous,squamousAlveolarductAlveolarductAlveolarsacAlveolarsac•NoSMCNoSMC****RespiratoryportionRespiratoryportion－－alveolusalve...