消化和吸收(英文版).ppt

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1、MainprocessesofmammaliannutritionIngestionDigestionAbsorptionAssimilationEgestionDigestionAbsorptionEgestionNextBackMainprocessesofmammaliannutritionIngestionDigestionAbsorptionAssimilationEgestionDigestionAbsorptionEgestionNextBackIngestionistheintakeoffoodintothealimentarycanalrelevantorg

2、ans:teethrelevantprocesses:swallowingperistalsisNextBackIngestionIIistheintakeoffoodintothealimentarycanalrelevantorgans:teethrelevantprocesses:swallowingperistalsisBackNextincisorcaninepremolarmolarDigestionisthebreakingdownoffoodintomoleculessmallenoughtobeabsorbedintothebodyrelevantorgan

3、smouthandteethalimentarycanalstomachduodenumBackNextAbsorptionisthemovementofdigested,solubleandsimplemoleculesfromthegutthroughthewallintothebody(Cont’d)relevantprocessesdiffusionactivetransportrelevantstructuresBackNextAssimilationistheuptake&utilisationofabsorbedfoodmoleculesbyallbodycel

4、lsfateoftheabsorbedfoodglucoseenergyproductionaminoacidsbuildingupbodymaterialsfatsenergyreserverolesofliverinassimilationBackNextEgestionistheremovalofundigestedandunwantedfoodmaterialsfromthealimentarycanalrelevantstructuresabnormalcases:diarrhoeaconstipationBackNextEgestionIIistheremo

5、valofundigestedandunwantedfoodmaterialsfromthealimentarycanalrelevantstructuresabnormalcases:diarrhoeaconstipationNextBackTeethstructureofatoothenameldentinepulpcavitytypedentitionNextBackEnamelDentinePulpCavityJawBoneCementNerve&bloodvesselCrownNeckRootTeethIIstructureofatoothenameldentine

6、pulpcavitytypedentitionCrownNeckRootEnamelDentinePulpCavityJawBoneCementNerve&bloodvesselNextBackEnameloutermostnon-livinghardestlayermadeupofcalciumphosphatecalciumfluorideorganicmatterNextBackDentinemiddlelayerhard,bonelike(softerthanenamel)NextBackPulpCavityinnermostlayerlivingcells,blo

7、odvesselsandnervebloodvessels:oxygenandnutrientnerves:sensitivetostimulitemperaturepressureNextBackTypeofTeethNextBackDentitiondentalformulaofahumantypeofteethononesideonlyupperjawlowerjawmilkteeth:permanentteeth:2120212021232123NextBack2032premolarmolar