消化管咽肛管双语版.ppt
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- 上传时间:2022-11-04
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消化管咽肛管双语版.ppt
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MouthPharynxEsophagusStomachDuodenumJejunumIleumLargeintestineLiverPancreasMajorsalivaryglandsAlimentarySystemAnusPharynxGeneralfeaturesAfibromusculartube,partofAfibromusculartube,partofdigestiveandrespiratorysystemsdigestiveandrespiratorysystemsExtendsfrombaseofskulltotheExtendsfrombaseofskulltotheinferiorborderofcricoidcartilageinferiorborderofcricoidcartilage(lowerborderofC(lowerborderofC66levellevel)ThreesegmentsNasopharynxNasopharynxOropharynxOropharynxLaryngopharynxLaryngopharynxPharynxNasopharynxPositionPosteriortonasalcavitiesExtendsfromthebaseofskulltotheleveloffreeborderofpalatinevelumFeaturesPharyngealopeningofauditorytubeTubaltorusPharyngealrecessTubaltonsilPharyngealtonsilPharynxOropharynxPositionPosteriortooralcavityPosteriortooralcavityExtendsfromfreeborderofExtendsfromfreeborderofpalatinevelumtothelevelofpalatinevelumtothelevelofupperborderofepiglottisupperborderofepiglottisFeaturesMedianglossoepiglotticfoldMedianglossoepiglotticfoldEpiglotticvalleculaEpiglotticvalleculaPalatinetonsilPalatinetonsilLieswithintonsillarfossaLieswithintonsillarfossaTonsillitisTonsilinflammationTonsilinflammationPharynxLaryngopharynxPositionPosteriortolarynxExtendsfromupperborderofepiglottistotheleveloflowerborderofC6PiriformrecessAdeepdepressiononeachsideofapertureoflarynxcommonsideforlodgementofforeignbodies(forexample,fishbones)PharynxLymphaticringofpharynxFormingFormingacircularbandacircularbandofoflymphoidtissueatlymphoidtissueatoropharyngealoropharyngealisthmuisthmuConsistsofConsistsofPharyngealtonsilPharyngealtonsiltubaltonsiltubaltonsilPalatinetonsilPalatinetonsillingualtonsillingualtonsilEsophagusGeneralfeaturesAmusculartuberabout25cmlongAmusculartuberabout25cmlongConnectingthepharynxatlevelofConnectingthepharynxatlevelofinferiorborderofvertebraCinferiorborderofvertebraC66PassesthroughthediaphragmatPassesthroughthediaphragmatlevelofvertebraTlevelofvertebraT1010Endsatthecardiaofthestomach,Endsatthecardiaofthestomach,oppositevertebraToppositevertebraT1111DivisionCervicalpart:
Cervicalpart:
5cm5cmTThoracicpart:
horacicpart:
18-22cm18-22cmAbdominalpart:
Abdominalpart:
1-2cm1-2cmEsophagusThreeconstrictions1.1.WhereitbeginningWhereitbeginning,15cmfrom15cmfromincisorsincisors,liesatlevelofinferiorborder,liesatlevelofinferiorborderofCofC66,isthenarrowestpartofthe,isthenarrowestpartoftheesophagusesophagus2.2.WhereitiscrossedbyleftprincipalWhereitiscrossedbyleftprincipalbronchusbronchus,25cmfromincisors,25cmfromincisors,liesatliesatlevelofintervertebraldiscbetweenTlevelofintervertebraldiscbetweenT44andTandT55.3.3.WhereitpiercestheesophagealWhereitpiercestheesophagealhiatusofdiaphragmhiatusofdiaphragm,40cmfrom40cmfromincisorsincisors,atlevelofT,atlevelofT1010StomachShapeTwosurface:
anteriorandposteriorTwocurvaturesLessercurvatureofstomachLessercurvatureofstomachshort,concaveanddirectedtotherightandupwardshort,concaveanddirectedtotherightandupwardnearitslowerpartisnearitslowerpartisangularincisureangularincisureGreatercurvatureGreatercurvatureofstomachofstomachlong,convexanddirectedtotheleftanddownwardlong,convexanddirectedtotheleftanddownwardatthejunctionofleftmarginofesophagusandgreateratthejunctionofleftmarginofesophagusandgreatercurvatureiscurvatureiscardiacincisurecardiacincisureTwoopeningsCardiaCardiaPylorusPylorusTwoincisureStomachFourpartsCardiacpartFundusofstomach(cardiaccardiacincisureincisure)Bodyofstomach(angularangularincisureincisure)PyloricpartPyloricantrumPyloricantrumPyloriccanaPyloriccanallStomachCardiacpartCardiacpartFundusofstomachFundusofstomachBodyofstomachBodyofstomachPyloricantrumPyloricantrumPyloriccanalPyloriccanalPyloricpartPyloricpartLocationMainlypartsissituatedinthelefthypochondriacregionSmallintheepigastricregionThecardiaissituatedtotheleftofT1111,thepylorusliestotherightofL11.StomachStructureofstomachwallconsistsoffourusuallayersconsistsoffourusuallayersMucousmembraneMucousmembraneSubmucousSubmucous(looseareolartissue(looseareolartissueconnectingthemucousandmuscularconnectingthemucousandmuscularlayer)layer)MuscularlayerMuscularlayercontains:
contains:
InnermostobliquefibresInnermostobliquefibresInnercircularfibresInnercircularfibresSphincterofpylorusSphincterofpylorusPyloricvalvePyloricvalveThemostsuperficiallongitudinalfibersThemostsuperficiallongitudinalfibersSerousSerous(visceralperitoneum)(visceralperitoneum)StomachVariationsinpositionofstoma
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- 消化 管咽肛管 双语版
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