Philtrum
Philtrum
Definition
The upper lip has a depression at its center, directly under the nasal septum, called the philtrum. At the extremity of the philtrum is a small elevation called the tubercle.
References
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
