基础医学英语课件：Digestive System.ppt

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1、DigestiveSystemSmallintestinePancreasLiver-HepaticportalsystemGallbladder-BileLargeIntestineChemicaldigestionandabsorptionLeftgastrica.Commonhepatica.Splenica.Gastroduodenala.Properhepatica.Rightgastrica.LeftbranchRightbranchCystica.Shortgastrica.Leftgastrioeploica.Rightgastroepiploica.Superiorp

2、ancreaticoduodenala.SplemicbranchesCeliactrunkCeliactrunkSuperiormesenterica.Inf.pancresticodudenala.Jejunalandileala.Ileocolica.Appendiculara.Rightcolica.Middlecolica.SuperiorMesentericv.ArteriesofstomachLeftandrightgastricarteriesarisefromceliactrunkandproperhepaticartery,repectively.Thesetwoves

3、selsruninlesseromentumalonglessercurvature,andanastomoseend-to-end.Rightandleftgastroepiploicarteriesarisefromthegastroduodenalandsplenicartery,repectively.Thesetwovesselspassintothegreateromentum,runparalleltothegreatercurvature,andanastomoseend-to-end.Shortgastricarteries,branchesofsplenicartery

4、,coursethroughthegastrosplenicligamentandsupplythefundusofstomach.Posteriorgastricartery(72%)arisefromthesplenicartery,coursethroughthegastrophrenicligamentandsupplytheposteriorwalloffundusofstomach.VenousdrainageRightandleftgastricveinsemptydirectlyintohepaticportalvein.Leftgastroepiploicandshort

5、gastricveinsdrainintohepaticportalveinviathesplenicvein.Rightgastroepiploicveinjoineithersuperiormesentericvein.PancreaticsegmentLiesinagroovebetweenposteriorsurfaceofheadofpancreasandduodenumIntraduodenalsegmentEntersthewallofdescendingpartofduodenumobliquelywherejionsthepancreaticducttoformthehe

6、patopancreaticampullaopensatthemajorduodenalpapillaDivisionsandrelationsofpancreasHeadofpancreasLocatedinC-shapescurvatureofdoudenumAnteriorlyTransversemesocolonPosteriorlyInferiorvenacavaRightrenalvesselsCommonbileductNeckofpancreasAnteriorly－pylorusPosteriorly－commencementpfhepaticportalv.(forme

7、dbyunionofsplenicandsuperiormesentericveinsEnzymesproducedbythepancreasPancreaticalpha-amylasePancreaticlipaseNucleasesFourinactiveproteolyticenzymesNotactivateduntiltheyreachthesmallintestineSmallIntestineMajorf