《腹部解剖图谱》PPT课件.ppt

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1、Abdominalwall山东大学医学院解剖教研室李振华AnteriorwallLayers(fromsuperficialtodeep)SkinSuperficialfasciaAnterolateralmusclesTransversalisfascia腹横筋膜Extraperitonealfascia腹膜下筋膜Parietalperitoneum壁腹膜Superficialfascia－divisionsbelowumbilicusSuperficialfattylayer(Camper’s)Membranouslayer(Scarpa’s)Musclesofabd

2、omenAnterolateralgroupObliquusexternusabsominis腹外斜肌Oblequusenternusabdominis腹内斜肌Transversusabdominis腹横肌Rectusabdominis腹直肌PosteriorgroupQuadiatuslumborum腰方肌Psoasmajor腰大肌Obliquusexternusabsominis腹外斜肌Generaldirectionoffibers:downward,forwardandmedially(rundownandinward)StructuresInguinalliga

3、ment腹股沟韧带Lacunarligament腔隙韧带Superficialinguinalring腹股沟浅环－triangular-shapeddefectinaponeurosisofobliquusexternusabdominisabovepubictubercleObliquusinternusabdominis腹内斜肌DeeptoobliquusexternusabdominisGeneraldirectionoffibres:upwards,forwardsandmediallyTransverselsabdominis腹横肌Deeptoobliquusi

4、nternusInguinalfalx腹股沟镰:archoverspermaticcord,insertedwithtransversesabdominisfiberintomedialpartofpectenofpubisCremaster提睾肌:aroundthespermaticcordandtestisRectusabdominis腹直肌Position:lieontoeitherofmidlineOrigin:pubiccrestandsymphysisInsertion:xiphoidand5th-7thcostalcartilagesHas3-4tendin

5、ousintersections腱划lineasemiluaris半月线SimilarfunctionsforabovefourpairsofmusclesSupportandcompresstheabdominalvisceraIncreaseintra-abdominalpressure,aidinexpulsiveefforts-vomiting,coughing,sneezing,defecation,urinationandchildbirth.Depressribs,assistin(theactofforce(4)expiration.Flex,latera

6、lflex,androtatevertebralcolumnSheathofrectusabdominis腹直肌鞘Antlayer－formedbyfusionofaponeurosisofobliquusexternusabdominisandanteriorleafofaponeurosisofobliquusinternusabdominisPostlayerFormedbyfusionofposterionleafofaponeurosisofobliquusinternusabdominisandaponeurosisoftransversesabdominis

7、Absentinabout4-5cmbelowtheumbilicus,whereaponeurosesofallthreemusclesformanteriorlayerthelowerfreebordernamedarcuatelineBelowthislinerectusabdominisincontactwithtransversefasciaLineaalba白线－tendinousraphebetweenrightandleftrectifromxiphoidtopubicsymphysis.Inguinalreg