哺乳类动物的消化过程(English)高品质版ppt课件.ppt

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1、MainprocessesofmammaliannutritionIngestionDigestionAbsorptionAssimilationEgestionDigestionAbsorptionEgestionNextBackMainprocessesofmammaliannutritionIngestionDigestionAbsorptionAssimilationEgestionDigestionAbsorptionEgestionNextBackIngestionistheintakeoffoodintothealiment

2、arycanalrelevantorgans:teethrelevantprocesses:swallowingperistalsisNextBackIngestionIIistheintakeoffoodintothealimentarycanalrelevantorgans:teethrelevantprocesses:swallowingperistalsisBackNextincisorcaninepremolarmolarDigestionisthebreakingdownoffoodintomoleculessmallenou

3、ghtobeabsorbedintothebodyrelevantorgansmouthandteethalimentarycanalstomachduodenumBackNextAbsorptionisthemovementofdigested,solubleandsimplemoleculesfromthegutthroughthewallintothebody(Cont’d)relevantprocessesdiffusionactivetransportrelevantstructuresBackNextAssimilationi

4、stheuptake&utilisationofabsorbedfoodmoleculesbyallbodycellsfateoftheabsorbedfoodglucoseenergyproductionaminoacidsbuildingupbodymaterialsfatsenergyreserverolesofliverinassimilationBackNextEgestionistheremovalofundigestedandunwantedfoodmaterialsfromthealimentarycanalrele

5、vantstructuresabnormalcases:diarrhoeaconstipationBackNextEgestionIIistheremovalofundigestedandunwantedfoodmaterialsfromthealimentarycanalrelevantstructuresabnormalcases:diarrhoeaconstipationNextBackTeethstructureofatoothenameldentinepulpcavitytypedentitionNextBackEnamelDe

6、ntinePulpCavityJawBoneCementNerve&bloodvesselCrownNeckRootTeethIIstructureofatoothenameldentinepulpcavitytypedentitionCrownNeckRootEnamelDentinePulpCavityJawBoneCementNerve&bloodvesselNextBackEnameloutermostnon-livinghardestlayermadeupofcalciumphosphatecalciumfluorideorga

7、nicmatterNextBackDentinemiddlelayerhard,bonelike(softerthanenamel)NextBackPulpCavityinnermostlayerlivingcells,bloodvesselsandnervebloodvessels:oxygenandnutrientnerves:sensitivetostimulitemperaturepressureNextBackTypeofTeethNextBackDentitiondentalformulaofahumantypeofteet

8、hononesideonlyupperjawlowerjawmilkteeth:permanentteeth:2120212021232123NextBack2032premolarmolar