肛肠连接处
Junctio anorectalis
定义
肛管与直肠下部（肛直肠结合部）之间形成一个角度（肛直肠曲；会阴曲），其长度为 2.5 至 4 cm。
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/).
