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1、TheMeningesandBloodVesselsofBrainandSpinalCord,andtheCerebrospinalFluid山东大学医学院解剖教研室李振华TheMeningesofBrainandSpinalCordThespinalcordandbrainaresurroundedbythreemembranes,themeninges.Namedfromtheoutsideinwardtheyaretheduramater,arachnoid,andpiamater.ThemeningesofspinalcordS
2、pinalduramater硬脊膜Spinalarachnoidmater脊髓蛛网膜Spinalpiamater软脊膜Spinalduramater硬脊膜CharactersAbove,attachedtocircumferenceofforamenmagnumBelow,becomesthinneratlevelofS2,investsfilumterminaletoattachatbackofcoccyxEpiduralspace硬膜外隙Position:liesbetweenspinalduramaterandperiosteumo
3、fvertebralcanalContents:aquantityoflooseconnectivetissue,fat,lymphaticvesselsandvertebralvenousplexus,thespinalnervesoneachsidepassthroughtheepiduralspacewhichisapplicableforblockanesthesiaSubduralspace硬膜下隙Spinalarachnoidmater脊髓蛛网膜CharactersAthin,delicate,tubularmembranlo
4、oselyinvestingspinalcordAbove,itiscontinuouswithcerebralarachnoidmaterSubarachnoidspace蛛网膜下隙Position:liesbetweenpiaandarachnoidmaterscontainingcerebrospinalfluidTerminalcistern终池:thelargestpartofsubarachnoidspaceextendingfromterminationofspinalcordtolevelofS2,whereitisocc
5、upiedbynervesofcaudaequina,soitisthebestsiteforalumbarpunctureLumbarspinalpuncture(spinaltap)Spinalpiamater软脊膜AdelicatevascularmembranethatcloselyinveststhespinalcordDenticulateligament齿状韧带:consistof21pairstriangularligamentsextendingfromspinalcordoneachsidebetweenanterio
6、randposteriorrootsofspinalnervestospinalduramate;theseligamentshelptofixpositionofspinalcord.Filumterminale:anextensionofpiabeyondconusmedullarisTheMeningesofBrainCerebralduralmater硬脑膜Cerebralarachnoidmater脑蛛网膜Cerebralpiamater软脑膜Cerebralduralmater硬脑膜CharactersAthickandden
7、seinelasticmembranethatcomposedoftwolayers,aninnerormeningealandouterorendostealItisinloosecontactwithcalvaria,andmoststronglyadherenttobaseofskullFourseptaCerebralfalx大脑镰Tentoriumofcerebellum小脑幕-infrontthereisagap,thetentorialincisure幕切迹,forpassageofmidbrainCerebellarfal
8、x小脑镰Diaphragmasellae鞍隔Sinusesofduramater硬脑膜窦Superiorsagittalsinus上矢状窦Inferiorsagittalsinus下矢状窦St