頸外動脈系(神經(jīng)外科)課件

頸外動脈系

EXTERNALCAROTIDARTERY神經(jīng)外科1ppt課件頸外動脈系

EXTERNALCAROTIDARTERY神12ppt課件2ppt課件2精品資料精品資料3你怎么稱呼老師？如果老師最后沒有總結(jié)一節(jié)課的重點的難點，你是否會認為老師的教學方法需要改進？你所經(jīng)歷的課堂，是講座式還是討論式？教師的教鞭“不怕太陽曬，也不怕那風雨狂，只怕先生罵我笨，沒有學問無顏見爹娘……”“太陽當空照，花兒對我笑，小鳥說早早早……”頸外動脈系(神經(jīng)外科)課件45ppt課件5ppt課件56ppt課件6ppt課件6ExternalCarotidArteryTheexternalcarotidarterysuppliesthescalp,face,ear,nose,pharynx,duramaterandtheupperpartoftheneck.Duetotheextensiveanastomosesamongtheinternal,externalcarotidarteriesandthevertebro-basilararterises,imagingorsuperselectiveimagingoftheexternalcarotidarteryisimportantininvestigationofcraniofacialorintracranialpathology.Sometributariesoftheexternalcarotidartery,especiallythetranscranialanastomosesareususallysmall,howevertheymaybecomehypertrophicinvariouspathologicalconditions(suchasduralarterio-venousfistula,meningioma),whichhavepracticalimplicationininterventionalneuroradiology.7ppt課件ExternalCarotidArteryTheext7ExternalCarotidArteryTheexternalcarotidarteryususallybranchesfromthecommoncarotidarteryatC4level,althoughtheremaybevariationinthelevelofbranching.Afterbifurcationfromthecommoncarotidartery,itgives8majorbranches.Normalexternalcarotidartery,ernalmaxillaryartery3.occipitalartery6.superficialtemporalartery8ppt課件ExternalCarotidArteryTheext8ExternalCarotidArtery9ppt課件ExternalCarotidArtery9ppt課件91LingualarteryLingualarteryisthesecondbranchoftheexternalcarotidarartery,whichmainlysuppliestheipsilateralsideofthetongueandsublingualglands.Itbranchesfromtheanteromedialwalloftheexternalcarotidartery,slightlyabovethesuperiorthyroidarteryandinferiortothefacialartery.ItispresentontheC3vertebralbodylevelandinferiortotheangleofmandibleonlateralprojection.10ppt課件1LingualarteryLingualartery10LingualarteryNormallingualartery,lateralprojection1.dorsallingualartery2.pharyngealbranches3.deeplingualartery4.sublingualarteryThelingualarterydividesintopharyngealandlingualsegments11ppt課件LingualarteryNormallinguala11LingualarteryNormallingualartery,lateralprojection.

1.branchesofthesubmandibulargland2.suprahyoidbranches3.sublingualartery4.mandibularbranch5.submentalbranch6.deeplingualartery12ppt課件LingualarteryNormallinguala122、FACIALARTERYFacialarteryisthethirdbranchoftheexternalcarotidartery.Itmainlysuppliestheskinovertheface,masseter,salivaryglandsandmostoftheoralmucosa.Itcanbedividedintothehorizontalsubmentalportionandthesuperficialascendingportion13ppt課件2、FACIALARTERYFacialarteryi131、FACIALARTERY1.trunkofthefacialartery2.principalarteryofthesubmandibulargland3.submentalartery4.mentalartery5.buccalartery6.superiorlabialartery7.inferiorlabialartery8.subnasalartery9.alarartery10.angularartery14ppt課件1、FACIALARTERY1.trunkofthe14

SubmentalhorizontalportionItrunsfromtheoriginintheexternalcarotidarterytothegrooveoffacialarteryoverthemandible.Thispartofthearteryrunsinitiallyinaconvexdownwardmanneralong.Itcanbeshownclearlyinlateralprojectionimportantbranches:1ascendingpalatineartery2arteryofthesubmandibualrgland3submentalartery15ppt課件Submentalhorizontalportion15Ascendingpalatineartery1.ascendingpalatineartery(APA)5.inferiromassetericartery2.thearnteriorbranchofAPA6.longfacialartery(posteriorbuccalartery)3.theposteriorbranchofAPA7.buccalbranchofinternalmaxillaryartery4.middlemassetericartery16ppt課件Ascendingpalatineartery1.asc16SubmandibualglandarterySelectiveangiographyoffacialartery,lateralprojection.Opacificationofthesubmandibualglandanditsfeeders(arrows)17ppt課件SubmandibualglandarterySelec17SuperficialascendingportionItmainlysuppliestheskinandmuscleoftheface,cheek,lipsandnose.Ithas6majorbranches1Inferiromassetericartery2Mentalartery3Buccalartry4Labialartery5Alarartery6Angularartery18ppt課件Superficialascendingportion18InferiromassetericarteryItisthefirstbranchoffacialarteryafteritpassesthemandibleandlateralprojectionrevealsthatthearteryrunssuperiorlytosupplythemasseterandtheskinabove,withextensiveanastomosiswiththeinternalmaxillaryarteryandthetransversefacialartery.19ppt課件InferiromassetericarteryI19MentalarteryItoriginatesfromthefacialarteryatthemidpointofthemandibleandlateralprojectionrevealsthatthearteryrunsanteriorlyinahorizontalmanner,itsuppliestheskinofthementalareaandthemandible,withextensiveanastomosiswiththeinferiordentalartery,submentalarteryandtheinferiorlabial1ascendingpalatineartery2submentalartery3mentalartery4inferiorlabialartery5superiorlabialartery6subnasalartery20ppt課件MentalarteryItoriginatesfro20BuccalartryItsuppliestheareaboundedbytheanteriormarginofthemasseter,posteriormarginofthenasalalae,inferiororbitalmarginandthesuperiorpartofthesubmentalarea.Itusuallydividesinto3branches:theanterior,middleandposteriorbuccalarteries.Theyallrunantero-superiorlyonlateralprojection.theremaybehypertrophyoftheposteriorbuccalarteryandprolongationofitscourse.Itwassometimesnamedaslongfacialartery.Inthisoccasion,theanteriorandmiddlebuccalarteriesmaybeabsent21ppt課件BuccalartryItsuppliesthear21Buccalartery1.ascendingpalatineartery(APA)5.inferiromassetericartery2.thearnteriorbranchofAPA6.longfacialartery(posteriorbuccalartery)3.theposteriorbranchofAPA7.buccalbranchofinternalmaxillaryartery4.middlemassetericartery22ppt課件Buccalartery1.ascendingpalat22LabialarteryandAlararteryItdividesintosuperiorandinferiorarteriesalongtheupperandlowerlipsafteroriginatingfromthefacialartery.Itsuppliesthelipsanditsmucosaandanastomoseswiththecontralateralpartner.Theinferiorlabialarteryisusuallylargerthanthesuperioroneby1-2mmindiameter.Itrunsanteriorlyinaconvexupwardmannerafteroriginatingfromthefacialarterynearthenasalalae,andsuppliesthenasalalae,nostrilsandthesurroundingmucosa23ppt課件LabialarteryandAlararteryI23Nasalandsuperiorlabialdistributionofthefacialartery,lateralprojection.1.alarartery4.angularartery2.subnasalartery5.angularvein3.superiorlabialartery24ppt課件Nasalandsuperiorlabialdist24AngulararteryItistheterminalbranchofthefacialartery.Itrunsalongthelateralaspectofthenosetotheinnercanthusandanastomoseswiththedorsalnasalarteryoftheophthalmicartery.Italsoanastomoseswiththeinfraorbitalarteryattheinfra-orbitalforamen.

Theangulararteryisoneoftheimportantanastomosisbetweentheextracranialandintracranialcirculation.25ppt課件AngulararteryItistheter251.trunkofthefacialartery7.inferiorlabialartery2.principalarteryofthesubmandibulargland8.subnasalartery3.submentalartery9.alarartery4.mentalartery10.angularartery5.buccalartery11.angularvein6.superiorlabialartery12.facialvein26ppt課件1.trunkofthefacialartery262、FACIALARTERY1ascendingpalatineartery(APA)2theanteriorbranchofAPA3theposteriorbranchofAPA4thearteryofsubmandibulargland5inferiormassetericarteries6submentalartery7posteriorbuccalartery8superiorlabialartery9inferirolabialartery10subnasalartery11alarartery12descendingpalatineartery13buccalarteryofinternalmaxillaryartery14anteriorbuccalartery27ppt課件2、FACIALARTERY1ascendingpal273、ASCENDINGPHARYNGEALARTERYItisthemajorsupplyingvesselofthepharyngealmusclesandalsosuppliesthemeninges,nervesandthetympaniccavity.Itoriginatesfromthemedialorposteriorwalloftheexternalcarotidartery,usuallybelowtheoriginoftheoccipitalarteryandimmediatenexttothelingualartery.TherearelotsofvariationofitsoriginTheascendingpharyngealarteryissmallandascendsbetweentheinternalandexternalcarotidarteryverticallyorwithslightcurvature.Itdividesintoanteriorandposteriorgroup.28ppt課件3、ASCENDINGPHARYNGEALARTER28AnteriorgroupItconsistsofalltheanteriorbranchessupplyingthepharynx.Itfurtherbranchesintoascendinganddescendingbranches.Itisusuallydividedinto3branches1.superiorpharyngealartery2.middlepharyngealartery3.inferiorpharyngealartery4.anteriorbranchofascendingpalatineartery5.neuromeningealbranch6.musculospinalbranch29ppt課件AnteriorgroupItconsistsofa291.SuperiropharyngealbranchItistheterminalbranchoftheascendingpharyngealarteryandendsattheinferioraspectofthepetrousbonenearthecarotidcanal.Itrunsantero-mediallyandsuppliestheEustachiantubeopening.Rosenmullarrecessandthesurroundingtissue,andanastomoseswiththedescendingpalateingbranchoftheaccessorymeningealarteryandtheVidianarteryoftheinternalmaxillaryartery.Itgivesanimportantbranch,ernalcarotidramuswhichaccompaniestheinternalcarotidarterythroughtheforamenlacerumintothecavernoussinustoanastomosewiththeinferolateraltrunkofthecavenoussinusofICA；italsoanastomoseswiththerecurrentarteryofforamenlacerumfromtheC5portionoftheinternalcarotidartery.30ppt課件1.SuperiropharyngealbranchIt30Normalascendingpharyngealartery,lateralprojection.Anastomoseswitharteryofthepterygoidcanal(arrow).Occipitalartery(arrowhead),andvertebralartery(openarrow)1.superiorpharyngealartery5.occipitalartery2.neuromeningealartery6.vidianartery3.musculospinalartery7.terminusofinternalmaxillaryartery4.vertebralartery8.posteriorcerebralartery31ppt課件Normalascendingpharyngealar312.MiddlepharyngealbranchItsuppliestheposteriorandlateralwallofthepharynx,throughanotherbranchitsuppliesthesoftpalate.Itanastomoseswiththeascendingpalatinearteryofthefacialartery,descendingpharyngealarteryoftheinternalmaxillaryarteryandthedescendingpalatinebranchoftheaccessorymeningealartery32ppt課件2.MiddlepharyngealbranchIts32Normalascendingpharyngealartery,lateralprojectionAnastomosiswiththedescendingpalatinebranchoftheaccessorymeningealartery(arrow).Anastomosiswithvertebralartery(doublearrows).1.superirpharyngealartery5.neuromeningealbranch2.middlepharyngealartery6.musculospinalartery3.inferiorpharyngealartery7.vertebralartery4.descendingpalatinebranch33ppt課件Normalascendingpharyngealar33InferiorpharyngealbranchItrunsinferiorlytothemiddlepharyngealbranchtosupplythepostero-lateralwallofthepharynx.34ppt課件InferiorpharyngealbranchIt34PosteriorgroupItincludesalltheposteriorbranchessupplyingthenerves,meninges,vertebralbodiesandparavertebralmuscles.Duetotheextensiveanastomosiswiththeintracranialvessels,ithasanimportantplaceininterventionalneuroradiologyItisusuallydividedinto3branches1.inferiortympainicartery2.neuromeningealartery3.musculospinalbranch35ppt課件PosteriorgroupItincludesall351.InferiortympanicarteryItcanbranchfromeithertheanteriororposteriorgroup.ItoriginatesnearthejugularforamenandrunsthroughtheJacobson’scanaltotheopeningoftheEustachiantubewhereitbranchesintothreetributaries:1.Ascendingbranchwhichgoeswiththegreaterpetrosalnerveandanastommoseswiththepetrosalbranchofthemiddlemeningealartery.2.Anteriorbranchwhichgoesanteriorlyandanastomoseswiththecaroticotympanicarteryoftheinternalcarotidartery.3).Posteriorbranchwhichgoesposteriolyintothefacialcanalandanstomoseswiththestylomastoidartery.36ppt課件1.InferiortympanicarteryItc36NeuromeningealbranchItrunspostero-superiorlytothejugularforamenanddividesintobranchestogointracraniallyviathehypoglossalcanalandthejugularforamen.MuscularbranchItbranchesposteriorlyfromtheposteriorgrouptosupplytheparavertebralmusclesandthevertebralbodies.Itanastomoseswiththevertebralartery,occipitalarteryandthedeepcervicalarteryofthecostocervicaltrunk37ppt課件NeuromeningealbranchItruns37Posteriorgroup1.superiorpharyngealartery2.middlepharyngealartery3.inferiorpharyngealartery4.inferiortympainicartery5.neuromeningealartery6.musculospinalbranch7.vertebralartery8.basilarartery38ppt課件Posteriorgroup1.superiorphar384、OCCIPITALARTERYItsuppliestheoccipitalmuscles,skinanddura,andviathestylomastoidarterytosupplythepetrousbone.Itususallyoriginatesfromtheposteriorwalloftheexternalcarotidarteryandinrareoccasionsitmayoriginatefromthevertebral.Itdividesinto3portiononlateralprojection:theascending,horizontalandfurtherascendingsegment.39ppt課件4、OCCIPITALARTERYItsupplies395、INTERNALMAXILLARYARTERYInternalmaxillaryarteryisthedeepterminalbranchoftheexternalcarotidartery.Itstartsfromthelevelofthemandibularcollumandendsintheroofofpterygopalatinefossa,whichiswellshownupinlateralprojection.Ithas14branchesand1terminal.Accordingtoitsdistributionandterritory,itcanbedividedinto6groups.Thedetailsofbranchinganddistributionareasfollows:40ppt課件5、INTERNALMAXILLARYARTERYInt4041ppt課件41ppt課件41Diagramoftheinternalmaxillaryarteryinlateralview1middlemeningealarter2accessorymeningealartery3anteriordeeptemporalartery4middledeeptemporalartery5Vidianartery6arteryoftheforamenrotundum7inferiordentalartery8buccalartery9massetericartery10descendingpalatineartery11infraorbitalartery12sphenopalatineartery13superiordentalartery14posteriordeeptemporalartery42ppt課件Diagramoftheinternalmaxill425.1Intracranialascendingbranches5.1.1Anteriortympanicartery5.1.2Middlemeningealartery5.1.3Accessorymeningealartery43ppt課件5.1Intracranialascendingbr4344ppt課件44ppt課件445.1.1AnteriortympanicarteryItisthefirstbranchoftheinternalmaxillaryarteryandususallyoriginatesfromtheanglebetweentheinternalmaxillaryarteryandthesuperficialtemporalartery.Itrunsalongthetympaniccordandthroughtheforamendeeptothetempro-mandibularjointtoenterthefacialcanalandanastomoseswiththestylomostoidarteryoftheoccipitalartery.Thisarteryisanimportantarterysupplyingthemiddleear.Lateralporjectionshowsananteriorconvexacuateshapeanteriortotheexternalauditorycanal.45ppt課件5.1.1Anteriortympanicartery455.1.2MiddlemeningealarteryBeingthesecondascendingbranchfromtheinternalmaxillaryartery,itsmaintrunkrunsantero-mediallyandenterstheskullviaforamenspinosum.Itthenrunsanteriorly,superiorlyandlaterallybetweenthetwolayersofthedurainthemiddlecranialfossaalongthegreaterwingofsphenoidtothepterion.Theremaybeabonycanalnearthepterion,inwhichthearteryrunsawavycourse,andcanbeevidentinlateralprojection.Afterexitingfromthebonycanal,itrunsposteriorlytothecoronalsutureandendsintheanteriorfonticulus.Theimportantbranchesofthemiddlemeningealarterycanbedivideinto4groups:1.Extracranialgroup;2.Skullbasegroup;3.Anteriorgroup;4.Posteriorgroup46ppt課件5.1.2MiddlemeningealarteryB461.Extracranialgroup:Itbranchesfromtheoriginofmiddlemeningealarterytotheforamenspinosum,whichsuppliesthesurroundingmusclesandmucosa.Theaccessorymeningealarterymayoriginatefromthispart.2.Skullbasegroup:ItbranchesfromtheforamenspinosumtotheentranceoftheVidianbonycanalnearthepterion,whichhasextensiveanastomosis3.Anteriorgroup:Itdistributesintheduraoftheorbit,baseofanteriorcranialfossaandtheconvexsurfaceofthefrontallobe.Itsometimesmaygiveabranchtoanastomosewiththelacrimalarteryortheophthalmicarterythroughthesuperiororbitalfissure.4.Posteriorgroup:Itdividesintoseveralbranchesafteroriginatingfromthemiddlemeningealarteryandrunsposterosuperiorlytosupplytheparieto-occipitaldura.Italsosuppliesthetentoriumandtheposteriorcranialfossa.47ppt課件1.Extracranialgroup:Itbran475.1.3AccessorymeningealarteryItmayoriginatedirectlyfromtheinternalmaxillaryartery,orfromtheextracranialgroupofmiddlemeningealartery.Itrunsanterosuperiorlytodivideinto4branches:1).Superiorbranch2).Posteriorbranch3).Infero-medialbranch4).DescendingpalatinebranchInlateralprojection,theaccessorymeningealarteryrunsanero-superiorlyinanobliquemannerandgivesthedescendingpalatinebranchwhichrunsantero-inferiorly,formingacharacteristicinverted“V”toaiditsidentification48ppt課件5.1.3Accessorymeningealarte485.2ExtracranialmuscularascendingbranchThebranchofinternalmaxillaryarterythatsuppliesthetemporalismuscle,includesthemiddledeeptemporalarteryandtheanteriordeeptemporalartery.Thelatteralsosuppliestheorbitalcontent.49ppt課件5.2Extracranialmuscularasce4950ppt課件50ppt課件505.3RecurrentbranchesWhichconsistof3arteriesthatrunposteiorlyfromtheterminaloftheinternalmaxillaryartery:thearteryofforamenrotundum,Vidianarteryandpterygopalatineartery.TheyallsupplytheEustachiantubeopeningandtheRosenmullarrecess,andanastomosewithoneanotherinthesearea.Inlateralprojection,thearteryofforamenrotundumissuperior,theVidianarteryisinthemiddlewhilethepterygopalatinearteryisinaninferiorposition.51ppt課件5.3RecurrentbranchesWhichco5152ppt課件52ppt課件525.4DescendingbranchesItsincludethemassetericartery,inferiordentalarteryandthebuccalartery.5.4.1Massetericartery：whichdividesintothedeepmassetericarteryandthemiddlemassetericartery.5.4.2Inferiordentalartery:Itoriginatesfromtheinferiorwalloftheinternalmaxillaryartery.5.4.3Buccalartery：Itoriginatesfromthecurvedsegementoftheinternalmaxillaryarterytosupplytheskinandmuscleofthecheek.53ppt課件5.4DescendingbranchesItsinc5354ppt課件54ppt課件545.5AnteriorbranchesItsconsistofthesuperiordentalartery,descendingpalatinearteryandinfraorbitalartery,whichsupplythemaxillaandnasalcavity.5.5.1Superiordentalartery:Itmainlysuppliestheupperteeth.5.5.2Descendingpalatineartery:itsuppliesthehardpalate.5.5.3Infraorbitalartery:Itoriginatesfromthemostanteriorpartoftheinternalmaxillaryartery.55ppt課件5.5AnteriorbranchesItsconsi5556ppt課件56ppt課件565.6SphenopalatinearteryTerminalbranchoftheinternalmaxillaryartery,anddividesinto2groupsbeforeenteringthesphenopalatineforamen:1.Thelateralgroupentersthesphenopalatineforamen,branchesinandsuppliesthelateralwallofthenasalcavityandmaxillarysinus;2.Themedialgrouprunsantero-mediallytosupplythenasalseptum,ethmoidalsinusandthesphenoidalsinus

57ppt課件5.6SphenopalatinearteryTermi576.SUPERFICIALTEMPORALARTERYThesuperficialtemporalarteryususallysuppliestheanterior2/3ofthescalpandthesuperioraspectofthelateralsideoftheface.Thesuperficialtemporalarteryisthesuperficialterminalbranchoftheexternalcarotidartery,itusuallyariseswithintheparotidgland.Themaintrunkascendsverticallyanteriortotheearoverthezygomaticroot,throughthesuperficialtemporalisfasciatoreachbeneaththescalp.Whilepenetratingthesuperficialtemporalfasciaitcurvesslightlyandcanbeclearlyshownupinlateralprojection.Itrunsfurthersuperiorlytobranchintothefrontalandparietalbrancheswithavariablelevelofbranching.Itbranchesinandsuppliesthevarioustissuealongitscourse.58ppt課件6.SUPERFICIALTEMPORALARTERY587.POSTERIORAURICULARARTERYItisarelativelysmallbranchfromtheexternalcarotidarteryandarisessinglyfromtheparotidareaposteriortotheexternalcarotidartery.Thisarterysuppliesthemedialpinna,scalpintheposteriorauricularareaandtheparotedgland,andusuallyanastomoseswiththeanteriorauriculararteryofthesuperficialtemporalartery.59ppt課件7.POSTERIORAURICULARARTERYI5960ppt課件60ppt課件60THEEND61ppt課件THEEND61ppt課件61頸外動脈系

EXTERNALCAROTIDARTERY神經(jīng)外科62ppt課件頸外動脈系

EXTERNALCAROTIDARTERY神6263ppt課件2ppt課件63精品資料精品資料64你怎么稱呼老師？如果老師最后沒有總結(jié)一節(jié)課的重點的難點，你是否會認為老師的教學方法需要改進？你所經(jīng)歷的課堂，是講座式還是討論式？教師的教鞭“不怕太陽曬，也不怕那風雨狂，只怕先生罵我笨，沒有學問無顏見爹娘……”“太陽當空照，花兒對我笑，小鳥說早早早……”頸外動脈系(神經(jīng)外科)課件6566ppt課件5ppt課件6667ppt課件6ppt課件67ExternalCarotidArteryTheexternalcarotidarterysuppliesthescalp,face,ear,nose,pharynx,duramaterandtheupperpartoftheneck.Duetotheextensiveanastomosesamongtheinternal,externalcarotidarteriesandthevertebro-basilararterises,imagingorsuperselectiveimagingoftheexternalcarotidarteryisimportantininvestigationofcraniofacialorintracranialpathology.Sometributariesoftheexternalcarotidartery,especiallythetranscranialanastomosesareususallysmall,howevertheymaybecomehypertrophicinvariouspathologicalconditions(suchasduralarterio-venousfistula,meningioma),whichhavepracticalimplicationininterventionalneuroradiology.68ppt課件ExternalCarotidArteryTheext68ExternalCarotidArteryTheexternalcarotidarteryususallybranchesfromthecommoncarotidarteryatC4level,althoughtheremaybevariationinthelevelofbranching.Afterbifurcationfromthecommoncarotidartery,itgives8majorbranches.Normalexternalcarotidartery,ernalmaxillaryartery3.occipitalartery6.superficialtemporalartery69ppt課件ExternalCarotidArteryTheext69ExternalCarotidArtery70ppt課件ExternalCarotidArtery9ppt課件701LingualarteryLingualarteryisthesecondbranchoftheexternalcarotidarartery,whichmainlysuppliestheipsilateralsideofthetongueandsublingualglands.Itbranchesfromtheanteromedialwalloftheexternalcarotidartery,slightlyabovethesuperiorthyroidarteryandinferiortothefacialartery.ItispresentontheC3vertebralbodylevelandinferiortotheangleofmandibleonlateralprojection.71ppt課件1LingualarteryLingualartery71LingualarteryNormallingualartery,lateralprojection1.dorsallingualartery2.pharyngealbranches3.deeplingualartery4.sublingualarteryThelingualarterydividesintopharyngealandlingualsegments72ppt課件LingualarteryNormallinguala72LingualarteryNormallingualartery,lateralprojection.

1.branchesofthesubmandibulargland2.suprahyoidbranches3.sublingualartery4.mandibularbranch5.submentalbranch6.deeplingualartery73ppt課件LingualarteryNormallinguala732、FACIALARTERYFacialarteryisthethirdbranchoftheexternalcarotidartery.Itmainlysuppliestheskinovertheface,masseter,salivaryglandsandmostoftheoralmucosa.Itcanbedividedintothehorizontalsubmentalportionandthesuperficialascendingportion74ppt課件2、FACIALARTERYFacialarteryi741、FACIALARTERY1.trunkofthefacialartery2.principalarteryofthesubmandibulargland3.submentalartery4.mentalartery5.buccalartery6.superiorlabialartery7.inferiorlabialartery8.subnasalartery9.alarartery10.angularartery75ppt課件1、FACIALARTERY1.trunkofthe75

SubmentalhorizontalportionItrunsfromtheoriginintheexternalcarotidarterytothegrooveoffacialarteryoverthemandible.Thispartofthearteryrunsinitiallyinaconvexdownwardmanneralong.Itcanbeshownclearlyinlateralprojectionimportantbranches:1ascendingpalatineartery2arteryofthesubmandibualrgland3submentalartery76ppt課件Submentalhorizontalportion76Ascendingpalatineartery1.ascendingpalatineartery(APA)5.inferiromassetericartery2.thearnteriorbranchofAPA6.longfacialartery(posteriorbuccalartery)3.theposteriorbranchofAPA7.buccalbranchofinternalmaxillaryartery4.middlemassetericartery77ppt課件Ascendingpalatineartery1.asc77SubmandibualglandarterySelectiveangiographyoffacialartery,lateralprojection.Opacificationofthesubmandibualglandanditsfeeders(arrows)78ppt課件SubmandibualglandarterySelec78SuperficialascendingportionItmainlysuppliestheskinandmuscleoftheface,cheek,lipsandnose.Ithas6majorbranches1Inferiromassetericartery2Mentalartery3Buccalartry4Labialartery5Alarartery6Angularartery79ppt課件Superficialascendingportion79InferiromassetericarteryItisthefirstbranchoffacialarteryafteritpassesthemandibleandlateralprojectionrevealsthatthearteryrunssuperiorlytosupplythemasseterandtheskinabove,withextensiveanastomosiswiththeinternalmaxillaryarteryandthetransversefacialartery.80ppt課件InferiromassetericarteryI80MentalarteryItoriginatesfromthefacialarteryatthemidpointofthemandibleandlateralprojectionrevealsthatthearteryrunsanteriorlyinahorizontalmanner,itsuppliestheskinofthementalareaandthemandible,withextensiveanastomosiswiththeinferiordentalartery,submentalarteryandtheinferiorlabial1ascendingpalatineartery2submentalartery3mentalartery