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1、TheMeningesandBloodVesselsofBrainandSpinalCord,andtheCerebrospinalFluidTheMeningesofBrainandSpinalCordThespinalcordandbrainaresurroundedbythreemembranes,themeninges.Namedfromtheoutsideinwardtheyaretheduramater,arachnoid,andpiamater.ThemeningesofspinalcordSpinalduramater硬脊膜Spina
2、larachnoidmater脊髓蛛网膜Spinalpiamater软脊膜Spinalduramater硬脊膜CharactersAbove,attachedtocircumferenceofforamenmagnumBelow,becomesthinneratlevelofS2,investsfilumterminaletoattachatbackofcoccyxEpiduralspace硬膜外隙Position:liesbetweenspinalduramaterandperiosteumofvertebralcanalContents:aquan
3、tityoflooseconnectivetissue,fat,lymphaticvesselsandvertebralvenousplexus,thespinalnervesoneachsidepassthroughtheepiduralspacewhichisapplicableforblockanesthesiaSubduralspace硬膜下隙Spinalarachnoidmater脊髓蛛网膜CharactersAthin,delicate,tubularmembranlooselyinvestingspinalcordAbove,itisco
4、ntinuouswithcerebralarachnoidmaterSubarachnoidspace蛛网膜下隙Position:liesbetweenpiaandarachnoidmaterscontainingcerebrospinalfluidTerminalcistern终池:thelargestpartofsubarachnoidspaceextendingfromterminationofspinalcordtolevelofS2,whereitisoccupiedbynervesofcaudaequina,soitisthebestsit
5、eforalumbarpunctureLumbarspinalpuncture(spinaltap)Spinalpiamater软脊膜AdelicatevascularmembranethatcloselyinveststhespinalcordDenticulateligament齿状韧带:consistof21pairstriangularligamentsextendingfromspinalcordoneachsidebetweenanteriorandposteriorrootsofspinalnervestospinalduramate;t
6、heseligamentshelptofixpositionofspinalcord.Filumterminale:anextensionofpiabeyondconusmedullarisTheMeningesofBrainCerebralduralmater硬脑膜Cerebralarachnoidmater脑蛛网膜Cerebralpiamater软脑膜Cerebralduralmater硬脑膜CharactersAthickanddenseinelasticmembranethatcomposedoftwolayers,aninnerormenin
7、gealandouterorendostealItisinloosecontactwithcalvaria,andmoststronglyadherenttobaseofskullFourseptaCerebralfalx大脑镰Tentoriumofcerebellum小脑幕-infrontthereisagap,thetentorialincisure幕切迹,forpassageofmidbrainCerebellarfalx小脑镰Diaphragmasellae鞍隔Sinusesofduramater硬脑膜窦Superiorsagittalsinu
8、s上矢状窦Inferiorsagittalsinus下矢状窦Straightsinus直窦Co