禽距
Calcar avis
定义
在侧脑室后角的内侧壁上有一纵行隆起，称为禽距，它是由距状裂陷入脑室壁所形成的。
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/).
