⑤内侧壁:又称迷路壁。 ◆中部的圆形隆起称岬,由耳蜗的第一圈隆突形成; ◆岬的后上方有一卵圆形小孔,称前庭窗或卵圆窗; ◆岬的后下方有一圆形小孔,称蜗窗或圆窗; ◆前庭窗后上方有一弓形隆起,称面神经管凸,内藏 面神经。
January, 2007
Copyright© Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG
January, 2007
Copyright© Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG
砧骨:形如砧,有体和长、短 二脚。 ◆体与锤骨头形成砧锤关节; ◆长脚与镫骨头形成砧镫关节; ◆短脚以韧带连于鼓室后壁。
右侧前庭蜗器全貌
January, 2007
Copyright© Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG
第一节 外耳
外耳(external ear)包括耳廓、外耳道和鼓膜三部分。
前庭嵴下部分开在分叉处有一前庭水管内口前庭水管由此向后下至内耳门后外侧的前庭水管外口内淋巴管经此管至内淋巴囊后者位于前庭水管外口附近的硬脑膜内
前庭蜗器
Vestibulocochlear organ
兰州大学基础医学院人体解剖学教研室
January, 2007 Copyright© Depart. Anatomy, School of Medicine, Lanzhou University. All right reserved by YP HOU and YF SONG