指骨滑车
Trochlea phalangis manus
定义
指骨头（远端）小于近端，每个指骨头末端有两个髁（指骨滑车），之间由一浅沟分隔；关节面在掌侧的延伸范围大于背侧，这一特征在第一列骨中最为明显。
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/).
