人体解剖学alimentary system 2

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1、TheAlimentarySystemⅡYunyangMedicalCollege余明华CompositionDigestivetube消化管MouthPharynxEsophagusStomachSmallintestineLargeintestineDuodenumJejunumIleumDigestiveglands消化腺SuperiordigestivetubeInferiordigestivetubeMajorsalivaryglandsLiverPancreasEsophagusMouthPharynxStomachDuodenum

2、JejunumIleumLargeintestineLiverPancreasMajorsalivaryglandsTheStomach胃ShapeTwosurface:anteriorandposteriorTwocurvaturesLessercurvature胃小弯:nearitslowerpartisangularincisure角切迹Greatercurvature胃大弯:long,convexanddirectedtotheleftanddownwardTwoopeningsCardia贲门Pylorus幽门Bodyofstomac

3、h胃体Pyloricantrum幽门窦Pyloriccanal幽门管Pyloricpart幽门部Fundusofstomach胃底Cardiacpart贲门部FourpartsCardiacpart贲门部Fundusofstomach胃底Bodyofstomach胃体Pyloricpart幽门部Pyloricantrum幽门窦Pyloriccanal幽门管Position－Mainlypartsissituatedinthelefthypochondriacregion,smallintheepigastricregion;thecardiai

4、ssituatedtotheleftofT11,thepylorusliestotherightofL1TheSmallIntestine小肠About5-7mlong,DividedintoDuodenumJejunumIliumDuodenumJejunumIliumDuodenumFourpartsSuperiorpartDuodenalcapDescendingpartMajorduodenalpapillaHorizontalpartAscendingpartduodenojejunalflexure十二指肠空肠曲Suspensory

5、muscleofduodenum十二指肠悬肌(ligamentofTreitz)JejunumandileumLargeIntestineApproximately1.5mlong,Fiveparts:Cecum盲肠Vermiformappendix阑尾Colon结肠Rectum直肠Analcanal肛管LargeIntestine大肠FeaturesColicbands结肠带Haustraofcolon结肠袋Epiploicappendices肠脂垂Cecum盲肠Blindsac,firstpartoflargeintestine,withl

6、argestdiameterandthinnestwallLiesinrightiliacfossaTheiliumentersthececumobliquely,andpartiallyinvaginatesintoit,formingtheileocecalvalve－consistsoftwofolds,probablydelaysflowofilealcontentsintolargeintestineVermiformappendix阑尾Blindworm-liketubeOpensintoposteromedialaspectofc

7、ecum，about2cmbelowileocealorificeThebaseoftheappendixliesatthepointofconvergenceofthreecolicbands(usedasaguidetofindtheappendixduringoperation)Surfacemarkingofthebaseisattheso-calledMcBurney’spointwhichisatjunctionoflateralandmiddlethirdsoflinejoiningrightanteriorsuperiorili

8、acspineandumbilicusvariableinpositionTriangularmesenteryColon结肠Ascendingcol