镫骨底
Basis stapedis
定义
两个小脚(镫骨前脚与镫骨后脚)自颈部向两侧分叉,其末端由一扁平的椭圆形骨板相连,即镫骨底(足板;basis stapedis)。该足板构成镫骨的底部,并借一圈韧带纤维固定于前庭窗的边缘。在两个小脚中,镫骨前脚较镫骨后脚短,弯曲度亦较小。
參考資料
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).