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呼吸系统--组织学和胚胎学VIP免费

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RespiratoryRespiratorysystemsystemRespiratorysystemNasalcavity,pharynx&larynx.Nasalcavity,pharynx&larynx.Trachea&bronchi.Trachea&bronchi.Lung.Lung.一、一、tracheatracheamucosamucosasubmucosasubmucosaadventitiaadventitiatracheatrachea(HE)(HE)MixedglandMixedglandEM:epitheliumoftracheaEM:epitheliumoftrachea4.SmallgranuleC4.SmallgranuleC1.CiliatedC1.CiliatedC2.BrushC2.BrushC3.GobletC3.GobletC5.BasalC5.BasalCThewalloftracheaThewalloftrachea1.1.Mucosa=epithelium+laminapropriaMucosa=epithelium+laminapropriapseudostratiatedciliatedcolumnar…pseudostratiatedciliatedcolumnar…CiliatedCiliatedCC,goblet,gobletCC,brush,brushCC,,basalbasalCC,smallgranular,smallgranularC.C.2.Submucosa=2.Submucosa=CTCT++mixedglandsmixedglands3.Adventitia=16-203.Adventitia=16-20‘C’‘C’shapedshapedhaylinecartilahaylinecartilagerings.gerings.atmosphere&alvatmosphere&alveolieolialveoli&alveoli&bloodblood(blood&tissue)(blood&tissue)Gasexchangebronchiolebronchiolelunlungglunglung二、二、lunglungLungLungLowLowpowerpowerlungparenchyma:bronchialtrees&alveoli.parenchyma:bronchialtrees&alveoli.Principalbronchi(Principalbronchi(BrBr)—)—lobularlobular、、segmentalsegmentalBrBr—smaller—smallerBrBr——bronchiole—terminalbronchiole—bronchiole—terminalbronchiole—respiratorybronchiolerespiratorybronchiole—alveolar—alveolarductduct、、alveolarsac—alveoli.alveolarsac—alveoli.Conductionportion:aboveterminalConductionportion:aboveterminalbronchioles.bronchioles.Respiratoryportion:respiratoryRespiratoryportion:respiratorybronchioletoalveoli.bronchioletoalveoli.PulmonarylobulePulmonarylobule:bronchioleand:bronchioleandit’sramifications.it’sramifications.ConductionportionConductionportion--lobularBr&smallBrlobularBr&smallBr•EpitheliumEpithelium•GobletCGobletC•GlandsGlands•CartilageplateCartilageplate•SMCSMCConductionportionConductionportion--bronchiole&bronchiole&terminalbrochioleterminalbrochiole•SimpleciliatedcolSimpleciliatedcolumnar.umnar.•GobletCGobletC(-)(-)•GlandGland(-)(-)•CartilageplateCartilageplate(-)(-)•SMCSMCRulesofstructuralvarianceinconductingportionRulesofstructuralvarianceinconductingportionSmallBrSmallBrbronchiolbronchioleeTerminalTerminalbronchiolebronchioleEpiEpiPseudostratifiePseudostratifieddCiliatedcolumnCiliatedcolumnararSimpleSimpleciliatedciliatedcolumnarcolumnarSimplecolumnarSimplecolumnar**clara**claracellcellGobletGobletCC+++++/-+/---MixedMixedglandgland+++++/-+/---CartilagCartilageplateeplate+++++/-+/---SMCSMC++++++++++++RespiratoryportionRespiratoryportion--RespiratorybronchioleRespiratorybronchiole•ThewallisinterruptedThewallisinterrupted•SimplecuboidalEpi,claSimplecuboidalEpi,claraCraC•SMCSMCRespiratoryportionRespiratoryportion--Alveolarduct&alveolarsaAlveolarduct&alveolarsacc•Thewall,manyalveoliThewall,manyalveoli•SMCSMC****•SimplecuboidalSimplecuboidal,squamous,squamousAlveolarductAlveolarductAlveolarsacAlveolarsac•NoSMCNoSMC****RespiratoryportionRespiratoryportion--alveolusalveolus肺泡管肺泡管SimplealveolarEpi.SimplealveolarEpi.(1)(1)Respiratoryportion######constituentsconstituents::respiratorybronrespiratorybronchiolechiole,,alveolarductalveolarduct,,alveolaralveolarsacsac,,alveolusalveolus。。1.Respiratorybronchiole1.RespiratorybronchioleThewall,fewalveoliopeninto.Thewall,fewalveoliopeninto....

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呼吸系统--组织学和胚胎学

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