口裂
Rima oris
定义
口腔前庭通过口裂（口腔开口；口裂或口腔孔）与体表相通。
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/).
