右右右左A:錘骨短突shortprocessofmalleusB:緊張部tensepartC:外耳道后壁backwallofexternalacousticmeatus在鼓索神經(jīng)出外耳道處往往有一小骨性隆起,可以通過尋找該隆起來定位鼓索神經(jīng)。D:松弛部flaccidpartE:錘骨malleusF:砧骨incusG:鼓索神經(jīng)chordatympan...[繼續(xù)閱讀]

    A:乙狀竇sigmoidsinusB:竇腦膜角sigmoiduramaterangleC:外耳道上棘suprameatalspine...[繼續(xù)閱讀]

    A:乙狀竇表面骨極exteriorboneofsigmoidsinusB:乙狀竇sigmoidsinus...[繼續(xù)閱讀]

    A:乙狀竇上膝superiorbendofsingmoidsinusB:乙狀竇下膝inferiorbendofsingmoidsinusC:后半規(guī)管posteriorsemicircularcanalD:頸靜脈球jugularbulb...[繼續(xù)閱讀]

    A:顱中窩硬腦膜duramaterofmiddleskullB:砧骨短腳shortcrusofincusC:外耳道上棘suprameatalspineD:外半規(guī)管凸prominenceoflateralsemicircularcanalE:乙狀竇sigmoidsinusF:二腹肌嵴digastricmuscularprocess...[繼續(xù)閱讀]

    A:錘骨頭headofmalleus為錘骨上端膨大部分,其后內(nèi)側面有一馬鞍形關節(jié)面,與砧骨形成錘砧關節(jié)。B:砧骨短腳shortcrusofincusC:外耳道上棘suprameatalspineD:外半規(guī)管凸prominenceoflateralsemicircularcanalE:前半規(guī)管superiorsemicircularcanal其頂端在顱中窩底形...[繼續(xù)閱讀]

    A:二腹肌嵴digastricmuscularprocessB:莖乳孔stylomastoidforamen為面神經(jīng)出乳突處。C:鼓索神經(jīng)chordatympaninerve距莖乳孔6mm左右從面神經(jīng)分出(也有認為可以從面神經(jīng)垂直段任一部位分出),行于面神經(jīng)前方,與面神經(jīng)大約成30°夾角。其感覺纖維司舌...[繼續(xù)閱讀]

    A:錘骨頭headofmalleusB:錘骨短突shortprocessofmalleusC:砧骨短腳shortcrusofincusD:砧鐙關節(jié)incudostapedialarticulationE:鐙骨stapesF:蝸窗fenestracochleaeG:面神經(jīng)管facialcanal...[繼續(xù)閱讀]

    A:鼓膜緊張部tensepartB:錘骨malleusC:鼓索神經(jīng)chordatympaninerveD:砧骨短腳shortcrusofincusE:砧鐙關節(jié)incudostapedialarticulation為砧骨豆狀突與鐙骨頭形成的關節(jié)。在乳突手術時有時為了徹底清除病變,需離斷該關節(jié)。F:鐙骨肌腱stapediusmusclartendonG:鐙...[繼續(xù)閱讀]

    A:錘骨頭headofmalleusB:面神經(jīng)水平段tympanicsegmentoffacialnerveC:前庭窗fenestravestibuliD:鐙骨前腳anteriorcrusofstapesE:鐙骨頭headofstapesF:鐙骨后腳posteriorcrusofstapesG:鐙骨肌腱stapediusmusclartendonH:錐隆起pyramidaleminence位于鼓室后壁內(nèi)上方,砧骨窩的內(nèi)下方...[繼續(xù)閱讀]