腭咽弓
Arcus palatopharyngeus
- 拉丁语近义词: Plica posterior faucium
定义
咽腭弓(arcus pharyngopalatinus;咽峡后柱)较前弓宽大,且更向中线突出;其走行方向为向下、向外侧及向后延伸至咽的侧壁,由咽腭肌被覆黏膜后突出所形成。两侧咽腭弓在下方被一三角形间隙所分隔,腭扁桃体即位于此间隙内。
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/).