周圍性面神經(jīng)麻痹課件

面神經(jīng)麻痹面神經(jīng)的解剖面神經(jīng)為第7對(duì)腦神經(jīng),由感覺、運(yùn)動(dòng)和副交感神經(jīng)纖維組成,分別管理舌的味覺,面部表情肌運(yùn)動(dòng)及支配舌下腺、下頜下腺和淚腺的分泌。1、運(yùn)動(dòng)纖維-運(yùn)動(dòng)核占大部分,支配面部表情肌2、感覺神經(jīng)纖維(1)一般感覺神經(jīng)纖維:支配面部、耳后皮膚(2)鼓索神經(jīng):支配味覺(3)鐙骨神經(jīng):支配聽覺3、副交感神經(jīng)纖維(1)支配淚腺(2)支配唾液腺展神經(jīng)TrigeminalgangL面神經(jīng)運(yùn)動(dòng)核FacialmotornucleusLacrimalglan涏核psalivatorynucleu巖大神經(jīng)翼鍔神經(jīng)節(jié)弧束核膝狀神經(jīng)節(jié)成索面神經(jīng)運(yùn)動(dòng)纖維一ChordatampaorfibersoffacialnLingualn下頜下腺、下頜下神經(jīng)節(jié)圖3-69面神經(jīng)纖維組成示意圖面神經(jīng)管段膝狀節(jié)今巖大神經(jīng)Geniculategangl鐙骨肌神經(jīng)巖大神經(jīng)令鼓索侵骨肌神經(jīng)面神經(jīng)頜神經(jīng)axillaryn.三又神經(jīng)節(jié)神經(jīng)感覺根和運(yùn)動(dòng)根nsoryrootandmotorrootoftrigeminalnTrigeminalpaneL.下頜神經(jīng)前神經(jīng)Greaterpetrosaln.面神經(jīng)膝耳顳神經(jīng)Viddleangela.下牙槽神經(jīng)、下舌骨肌神經(jīng)后神下牙槽神經(jīng)、動(dòng)脈Inf,alveolar.a顱外段面神經(jīng)主干莖乳孔--面神經(jīng)分叉長(zhǎng)約2cm令乳突前緣中點(diǎn)深側(cè)約2cm-.腮腺入腮腺前分支耳后神經(jīng)二腹肌支莖突舌骨肌支腮腺內(nèi)分支面神經(jīng)題支面神經(jīng)支Zygomaticbroffa面神經(jīng)上/Supbuccalbr.of、面神經(jīng)下朝攴nf,buccalbr,ofr面神經(jīng)下領(lǐng)緣支耳顳神經(jīng)上頜神經(jīng)下頜神經(jīng)翼腭N節(jié)三叉N節(jié)膝N節(jié)眶下神經(jīng)標(biāo)本觀察上牙槽神經(jīng)后支面神經(jīng)管莖乳孔頰神經(jīng)舌神經(jīng)下頜下N節(jié)和頦神經(jīng)面神經(jīng)功能的定量評(píng)價(jià)I級(jí):功能正常;令Ⅱ級(jí):靜態(tài)無明顯異常,面部運(yùn)動(dòng)時(shí)不能維持面肌對(duì)稱;Ⅲ級(jí):靜態(tài)無異常,運(yùn)動(dòng)時(shí)面肌不對(duì)稱,閉目不完全ⅣV級(jí):靜態(tài)無異常,運(yùn)動(dòng)時(shí)面肌不對(duì)稱,閉目