呼吸系统--组织学和胚胎学.pptVIP免费

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’shapedshapedhaylinecarthaylinecartgerings.gerings.atmosphere&alvatmosphere&alveolieolialveoli&alveoli&bloodblood(blood&tissue)(blood&tissue)Gasexchangebronchiolebronchiolelunlungglunglung二、二、lunglungLungLungLowLowpowerpowerlungparenchyma:bronchialtrees&alveoli.parenchyma:bronchialtrees&alveoli.Principalbronchi(Principalbronchi(BrBr)—lobular)—lobular、、segmentalsegmentalBrBr—smaller—smallerBrBr—bronchiole—bronchiole—terminalbronchiole——terminalbronchiole—respiratoryrespiratorybronchiolebronchiole—alveolarduct—alveolarduct、、alveolaralveolarsac—alveoli.sac—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（－）（－）•Gla...