腭沟
Sulci palatini
定义
上颌骨腭突下面的外侧缘后部有一条腭沟（有时为管状），供降腭血管及来自蝶腭神经节的腭前神经通行；
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/).
