Line Under Nose Above Lip – What is the Purpose of Philtrum
What is Philtrum?
The philtrum or medial cleft, is a vertical groove in the middle area of the upper lip, common to many mammals, extending in humans from the nasal septum to the tubercle of the upper lip. Together with a glandular rhinarium and slit-like nostrils, it is believed[by whom?] to constitute the primitive condition for mammals in general.
What is Philtrum Used for – Functions:
In most mammals, the philtrum is a Continue reading