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ID:58492311
大小:1.80 MB
页数:13页
时间:2020-09-21
《基础医学英语课件:Digestive System.ppt》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
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
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