顱神經(jīng)定位診斷課件

動(dòng)眼、滑車和外展神經(jīng)解剖生理及定位診斷2014.08.27動(dòng)眼、滑車和外展神經(jīng)1ofactorytractinundbuluDEulamubeenoneIGNIIDTechearnerveICNVatorroPensAbdurnervu(CNVnFarnhamnontNervusintermed秒uestbutcocheernerveCNYIDAccessoryPAneLofactorytract2Oothnave(t?sp如asmerarryAlalcRemindgansotisopnangeRecropstrpodlaintoTuntuttncsrbelsupersutiliuFromAgurLee1999Oothnave(t?3動(dòng)眼神經(jīng)Oculomotorn■動(dòng)眼神經(jīng)、滑車神經(jīng)、展神經(jīng)——海綿竇外側(cè)壁——眶上裂——眶尖--眼球■EW核發(fā)出副交感纖維——睫狀神經(jīng)節(jié)虹膜括約肌、睫狀肌(司瞳孔收縮)動(dòng)眼神經(jīng)Oculomotorn4斜肌提上瞼肌頸內(nèi)動(dòng)脈上直肌內(nèi)直肌海綿竇蝶骨斜坡下直肌眼上裂外直肌斜肌5動(dòng)眼神經(jīng)核團(tuán)支配眼(中腦)外肌形成動(dòng)眼經(jīng)過海綿神經(jīng)在大……竇、眶上腦腳間窩裂進(jìn)入眼EW氏出腦眶睫狀神核經(jīng)節(jié)(中腦)支配眼內(nèi)肌動(dòng)眼神6動(dòng)眼神經(jīng)的功能(外上)下斜肌上直肌(內(nèi)上提上瞼肌--眼瞼上提上直肌-眼球上轉(zhuǎn)外展)外直肌直肌內(nèi)收)內(nèi)直肌一眼球內(nèi)收下直肌-眼球下轉(zhuǎn)圖2-27右眼各眼外肌運(yùn)動(dòng)方向下斜肌-外旋、上轉(zhuǎn)參與瞳孔對(duì)光反射上提甩外直肌圖2動(dòng)眼神經(jīng)的功能7動(dòng)眼神經(jīng)Oculomotorn動(dòng)眼神經(jīng)麻痹表現(xiàn):上瞼下垂,眼球向外下斜,不能向上、向內(nèi)、向下轉(zhuǎn)動(dòng),瞳孔散大,光反射及調(diào)節(jié)反射均消失,并有復(fù)視。常見于顱內(nèi)動(dòng)脈瘤、結(jié)核性腦膜炎Q顱底腫瘤等。動(dòng)眼神經(jīng)Oculomotorn8Ⅳ滑車神經(jīng)trochlearn滑車神經(jīng)核滑車神經(jīng)海綿竇、眶上裂上斜肌滑車神經(jīng)-上斜肌,使眼球向外下運(yùn)動(dòng)單純滑車神經(jīng)麻痹少見Ⅳ滑車神經(jīng)trochlearn9滑車神經(jīng)核團(tuán)(中腦)形成滑車神經(jīng)繞大腦經(jīng)海綿竇、在下丘下方出腳向前眶上裂入腦眶支配上斜肌滑車神經(jīng)核10顱神經(jīng)定位診斷課件11顱神經(jīng)定位診斷課件12顱神經(jīng)定位診斷課件13顱神經(jīng)定位診斷課件14顱神經(jīng)定位診斷課件15顱神經(jīng)定位診斷課件16顱神經(jīng)定位診斷課件17顱神經(jīng)定位診斷課件18顱神經(jīng)定位診斷課件19顱神經(jīng)定位診斷課件20顱神經(jīng)定位診斷課件21顱神經(jīng)定位診斷課件22顱神經(jīng)定位診斷課件23顱神經(jīng)定位診斷課件24顱神經(jīng)定位診斷課件25顱神經(jīng)定位診斷課件26顱神經(jīng)定位診斷課件27顱神經(jīng)定位診斷課件28顱神經(jīng)定位診斷課件29顱神經(jīng)定位診斷課件30顱神經(jīng)定位診斷課件31顱神經(jīng)定位診斷課件32顱神經(jīng)定位診斷課件33顱神經(jīng)定位診斷課件34顱神經(jīng)定位診斷課件35顱神經(jīng)定位診斷課件36顱神經(jīng)定位診斷課件37顱神經(jīng)定位診斷課件38顱神經(jīng)定位診斷課件39顱神經(jīng)定位診斷課件40顱神經(jīng)定位診斷課件41顱神經(jīng)定位診斷課件42顱神經(jīng)定位診斷課件43顱神經(jīng)定位診斷課件44顱神經(jīng)定位診斷課件45顱神經(jīng)定位診斷課件46顱神經(jīng)定位診斷課件47顱神經(jīng)定位診斷課件48顱神經(jīng)定位診斷課件49顱神經(jīng)定位診斷課件50顱神經(jīng)定位診斷課件51顱神經(jīng)定位診斷課件52顱神經(jīng)定位診斷課件53顱神經(jīng)定位診斷課件54顱神經(jīng)定位診斷課件55顱神經(jīng)定位診斷課件56顱神經(jīng)定位診斷課件57顱神經(jīng)定位