系统解剖 英文版 消化腺 Alimentary System.ppt

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1、Alimentaryglands消化腺Liver肝★ShapePyramidTwosurfacesDiaphragmaticsurface膈面Visceralsurface脏面FourbordersAnteriorborderPosteriorborderLeftborderRightborderLiver肝Diaphragmaticsurface膈面ConvexandsmoothDividedintorightandleftlobesbyfalciformlig.ofliver镰状韧带coronaryli

2、g.ofliver冠状韧带Barearea裸区：PosteriorlyLiver肝★Visceralsurface脏面HasaH-shapedfissuresandgroovesFourlobes:LeftlobeRightlobeQuadratelobecaudatelobeLiver肝★Leftlimbof“H”Anteriorpartfissureforligamentumtereshepatis肝圆韧带裂ligamentumtereshepatis肝圆韧带(Vestigeofumbilicalvei

3、n脐静脉)Posteriorpartfissureforligamentumvenosum静脉韧带裂ligamentumvenosum静脉韧带(VestigeofDuctusvenosus静脉导管)Liver肝★Rightlimbof“H”Anteriorpartfossaforgallbladder胆囊窝PosteriorpartSulcusforvenacava腔静脉沟Secondaryportaofliver第二肝门Liver肝★Cross-barof“H”---Portahepatis肝门★asho

4、rtbutdeepfissure,about5cmlong,extendingtransverselyacrosstheundersurfaceoftheliver,representedbythehorizontallineofthe“H”,ContentsRightandlefthepaticductsLeftandrightbranchesofproperhepaticarteryLeftandrightbranchesofhepaticportalveinNervesandlymphaticvess

5、elsThesestructuresaresurroundedbyconnectivetissueandcalledhepaticpedicle肝蒂Liver肝Anterior(inferior)border–thinandsharpNotchforgallbladder胆囊切迹Notchforligamentumtereshepatis肝圆韧带切迹Posteriorborder–roundLeftborder–thinandsharpRightborder–roundLiver肝★PositionMost

6、ofliverliesintherighthypochondriacregionandepigastricregionlesspartextendsintothelefthypochondriacregionLiver肝★SurfaceprojectionUpperborderontherightmidclavicularlineitextendsthelevelof5thribLowerborderNormally,therightlobeextendsjustbeneaththecostalmargin

7、,itdoesn’tdownbeyondthecostalmarginOntheanteriormedianlineitslowerbordercrossesapointabout3~5cmbelowthexiphoidprocessInchildren,theliverbeinglargerinproportiontothebodythanintheadultstage,itextendsbelowthecostalarchwithinin2cmLiver肝Thesegmentsoftheliver肝段T

8、hesegmentationoftheliver,basesupontheprincipaldivisionsoftheproperhepaticarteryandaccompanyinghepaticductsandhepaticportalvein－Glissonsystem.Thehepaticveins,howeverdonotfollowthesamepatternandvary:theirmaintr