文档介绍：脑膜脑脊液脑血管TheMeningesofBrainandSpinalCordThespinalcordandbrainaresurroundedbythreemembranes,,arachnoid,,attachedtocircumferenceofforamenmagnumBelow,esthinneratlevelofS2,yxEpiduralspace硬膜外隙Position:liesbetweenspinalduramaterandperiosteumofvertebralcanalContents:aquantityoflooseconnectivetissue,fat,lymphaticvesselsandvertebralvenousplexus,thespinalnervesoneachsidepassthroughtheepiduralspacewhichisapplicableforblockanesthesiaSubduralspace硬膜下隙Spinalarachnoidmater脊髓蛛网膜CharactersAthin,delicate,tubularmembranlooselyinvestingspinalcordAbove,itiscontinuouswithcerebralarachnoidmaterSubarachnoidspace蛛网膜下隙Position:liesbetweenpiaandarachnoidmaterscontainingcerebrospinalfluidTerminalcistern终池:thelargestpartofsubarachnoidspaceextendingfromterminationofspinalcordtolevelofS2,upiedbynervesofcaudaequina,soitisthebestsiteforalumbarpunctureLumbarspinalpuncture(spinaltap)hatcloselyinveststhespinalcordDenticulateligament齿状韧带:consistof21pairstriangularligamentsextendingfromspinalcordoneachsidebetweenanteriorandposteriorrootsofspinalnervestospinalduramate;:anextensionofpiabeyondconusmedullarisTheMeningesofBrainCerebralduralmater硬脑膜Cerebralarachnoidmater脑蛛网膜Cerebralpiamater软脑膜