唇联合
Commissura labiorum oris
定义
The commisure is the corner of the mouth, where the vermillion border of the superior labium (upper lip) meets that of the inferior labium (lower lip).
口角（commissure）是口腔的角部，上唇（superior labium）的唇红缘与下唇（inferior labium）的唇红缘在此处相交汇。
參考資料
This definition incorporates text from the wikipedia website - Wikipedia: The free encyclopedia. (2004, July 22). FL: Wikimedia Foundation, Inc. Retrieved August 10, 2004, from http://www.wikipedia.org
