外骨壶腹
Ampulla ossea lateralis
定义
外半规管的壶腹端（外侧骨壶腹）对应前庭的上外侧角，位于前庭窗的正上方，在此处与上半规管的壶腹端相邻开口。
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/).
