鼻孔
Naris
定义
鼻孔呈近似梨形的开口，每个鼻孔前后径约2.5厘米，最宽处横径约1.25厘米。
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/).
